D
Members of the Texas Instruments
Widebus  Family
D
A-Port Outputs Have Equivalent 22-
Ω
Series Resistors, So No External Resistors
Are Required
D
Support Mixed-Mode Signal Operation
(5-V Input and Output Voltages With
3.3-V V
CC
)
D
Support Unregulated Battery Operation
Down to 2.7 V
D
Typical V
OLP
(Output Ground Bounce)
<0.8 V at V
CC
= 3.3 V, T
A
= 25
°
C
D
I off and Power-Up 3-State Support Hot
Insertion
D
Bus Hold on Data Inputs Eliminates the
Need for External Pullup/Pulldown
Resistors
D
Distributed V
CC
and GND Pins Minimize
High-Speed Switching Noise
D
Flow-Through Architecture Optimizes PCB
Layout
D
Latch-Up Performance Exceeds 500 mA Per
JESD 17
D
ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
SN54LVTH162245, SN74LVTH162245
3.3-V ABT 16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS260O – JUNE 1993 – REVISED SEPTEMBER 2003
SN54LVTH162245 . . . WD PACKAGE
SN74LVTH162245 . . . DGG OR DL PACKAGE
(TOP VIEW)
14
15
16
17
18
10
11
12
13
8
9
6
7
3
4
1
2
5
19
20
21
22
23
24
V
CC
1B5
1B6
GND
1B7
1B8
2B1
1DIR
1B1
1B2
GND
1B3
1B4
2B2
GND
2B3
2B4
V
CC
2B5
2B6
GND
2B7
2B8
2DIR
35
34
33
32
31
39
38
37
36
43
42
41
40
48
47
46
45
44
30
29
28
27
26
25
V
CC
1A5
1A6
GND
1A7
1A8
2A1
1OE
1A1
1A2
GND
1A3
1A4
2A2
GND
2A3
2A4
V
CC
2A5
2A6
GND
2A7
2A8
2OE
The ’LVTH162245 devices are 16-bit (dual-octal) noninverting 3-state transceivers designed for low-voltage
(3.3-V) V
CC
operation, but with the capability to provide a TTL interface to a 5-V system environment.
TA
ORDERING INFORMATION
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
Tube SN74LVTH162245DL
TSSOP – DGG
VFBGA – GQL
Tape and reel
Tape and reel
SN74LVTH162245DLR
SN74LVTH162245DGGR
SN74LVTH162245KR
LVTH162245
VFBGA – ZQL (Pb-free) 74LVTH162245ZQLR
–55 ° C to 125 ° C CFP – WD Tube SNJ54LVTH162245WD SNJ54LVTH162245WD
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Widebus is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
Copyright  2003, Texas Instruments Incorporated
On products compliant to MIL-PRF-38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters.
POST OFFICE BOX 655303
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1

SN54LVTH162245, SN74LVTH162245
3.3-V ABT 16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS260O – JUNE 1993 – REVISED SEPTEMBER 2003
G
H
J
E
F
C
D
A
B
K
These devices can be used as two 8-bit transceivers or one 16-bit transceiver. The devices allow data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so that the buses are effectively isolated.
The A-port outputs, which are designed to source or sink up to 12 mA, include equivalent 22-
Ω
series resistors to reduce overshoot and undershoot.
Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended.
When V
CC
is between 0 and 1.5 V, the devices are in the high-impedance state during power up or power down.
However, to ensure the high-impedance state above 1.5 V, OE should be tied to V
CC
through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
These devices are fully specified for hot-insertion applications using I off
and power-up 3-state. The I off
circuitry disables the outputs, preventing damaging current backflow through the devices when they are powered down.
The power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down, which prevents driver conflict.
GQL OR ZQL PACKAGE
(TOP VIEW)
1 2 3 4 5 6
F
G
D
E
A
B
C
H
J
K
1
1DIR
1B2
1B4
2
NC
1B1
1B3
1B6
1B8
2B1
2B3
2B5
2B7
2DIR
1B5
1B7
2B2
2B4
2B6
2B8
NC
NC – No internal connection
3
NC
GND
VCC
GND
GND
VCC
GND
NC
4
NC
GND
VCC
GND
GND
VCC
GND
NC
1A5
1A7
2A2
2A4
2A6
2A8
NC
5
NC
1A1
1A3
6
1OE
1A2
1A4
1A6
1A8
2A1
2A3
2A5
2A7
2OE
H
FUNCTION TABLE
(each 8-bit section)
INPUTS
OE DIR
L
L
L
H
X
B data to A bus
A data to B bus
Isolation
2
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SN54LVTH162245, SN74LVTH162245
3.3-V ABT 16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS260O – JUNE 1993 – REVISED SEPTEMBER 2003
1DIR
1
2DIR
24
48
1OE
25
2OE
1A1
47
2A1
36
2
1B1
13
2B1
To Seven Other Channels To Seven Other Channels
Pin numbers shown are for the DGG, DL, and WD packages.
†
Supply voltage range, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, V
I
(see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–0.5 V to 4.6 V
–0.5 V to 7 V
Voltage range applied to any output in the high-impedance or power-off state, V
O
(see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range applied to any output in the high state, V
O
(see Note 1) . . . . . . . . . . . . .
–0.5 V to 7 V
–0.5 V to V
CC
+ 0.5 V
Current into any output in the low state, I
O
: SN54LVTH162245 (B port)
SN74LVTH162245 (B port)
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . .
96 mA
128 mA
Current into any output in the high state, I
O
A port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 2): SN54LVTH162245 (B port)
SN74LVTH162245 (B port)
. . . . . . . . . . . . .
. . . . . . . . . . . . .
30 mA
48 mA
A port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
64 mA
30 mA
Input clamp current, I
IK
(V
I
< 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –50 mA
Output clamp current, I
OK
(V
O
Package thermal impedance,
θ
Storage temperature range, T
< 0) stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
JA
(see Note 3): DGG package
DL package
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GQL/ZQL package . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
°
–50 mA
70
°
C/W
63
°
C/W
42
°
C/W
C to 150
°
C
† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
2. This current flows only when the output is in the high state and VO > VCC.
3. The package thermal impedance is calculated in accordance with JESD 51-7.
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3

SN54LVTH162245, SN74LVTH162245
3.3-V ABT 16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS260O – JUNE 1993 – REVISED SEPTEMBER 2003
VCC
VIH
VIL
VI
Supply voltage
High-level input voltage
Low-level input voltage
Input voltage
A port
B port
SN54LVTH162245 SN74LVTH162245
MIN MAX MIN MAX
2.7
3.6
2.7
3.6
2
0.8
5.5
–12
–24
2
0.8
5.5
–12
–32
V
V
V
V
A port 12 12
B port 48 64
∆ t/
∆ v Input transition rise or fall rate
∆ t/
∆ VCC Power-up ramp rate
TA Operating free-air temperature
Outputs enabled
200
–55
10
125
200
–40
10
85 ns/V
µ s/V
°
C
NOTE 4: All unused control inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
4
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SN54LVTH162245, SN74LVTH162245
3.3-V ABT 16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS260O – JUNE 1993 – REVISED SEPTEMBER 2003
I
VIK
II
I
Ioff inputs
VCC = 2.7 V, II = –18 mA
VCC = 2.7 V to 3.6 V, IOH = –100 µ
A
VCC = 3 V, IOH = –12 mA
VCC = 2.7 V to 3.6 V, IOH = –100 µ
A
VCC = 2.7 V, IOH = –8 mA
IOH = –24 mA
IOH = –32 mA
VCC = 2.7 V to 3.6 V, IOL = 100 µ
A
VCC = 3 V, IOL = 12 mA
IOL = 100 µ
A
IOL = 24 mA
IOL = 16 mA
VCC = 3.6 V,
VCC = 0 or 3.6 V,
V
CC
= 3.6 V
VCC = 0,
IOL = 32 mA
IOL = 48 mA
IOL = 64 mA
VI = VCC or GND
VI = 5.5 V
VI = 5.5 V
VI = VCC
VI = 0
VI or VO = 0 to 4.5 V
VI = 0.8 V
VI = 2 V
SN54LVTH162245
MIN TYP† MAX
–1.2
VCC–0.2
2
VCC–0.2
2.4
2
75
–75
0.2
0.8
0.2
0.5
0.4
0.5
0.55
±
1
10
20
5
–10
SN74LVTH162245
MIN
VCC–0.2
2
VCC–0.2
2.4
2
75
–75
TYP† MAX
–1.2
0.2
0.8
0.2
0.5
0.4
0.5
0.55
±
1
10
20
5
–10
±
100
µ
µ
V
A
A
µ
A
VCC = 3.6 V§, VI = 0 to 3.6 V
500
–750
IOZPU
IOZPD
VCC = 0 to 1.5 V, VO = 0.5 V to 3 V,
OE = don’t care
VCC = 1.5 V to 0, VO = 0.5 V to 3 V,
OE = don’t care
±
±
100*
100*
±
±
100
100
µ
µ
A
A
I
CC
V = V or GND
Outputs high
Outputs low
Outputs disabled
0.19
5
0.19
0.19
5
0.19
∆ ICC¶
VCC = 3 V to 3.6 V, One input at VCC – 0.6 V,
Other inputs at VCC or GND
0.3
0.2
mA
Ci
Cio
VI = 3 V or 0
VO = 3 V or 0
4
10
4
10 pF pF
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
† All typical values are at VCC = 3.3 V, TA = 25 °
C.
‡ Unused pins at VCC or GND.
§ This is the bus-hold maximum dynamic current. It is the minimum overdrive current required to switch the input from one state to another.
¶ This is the increase in supply current for each input that is at the specified TTL voltage level, rather than VCC or GND.
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5

SN54LVTH162245, SN74LVTH162245
3.3-V ABT 16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS260O – JUNE 1993 – REVISED SEPTEMBER 2003
L
(INPUT) (OUTPUT) tPLH tPHL tPLH tPHL tPZH tPZL tPZH tPZL tPHZ tPLZ tPHZ tPLZ tsk(o)
† All typical values are at VCC = 3.3 V, TA = 25 °
C.
VCC = 3.3 V
±
0.3 V
MIN MAX
1
SN54LVTH162245
3.5
VCC = 2.7 V
MIN MAX
4
1
1
1
1
1
1
1
1.5
1.5
1.5
1.2
3.5
4.3
4.2
4.8
4.8
5.5
5.4
5.5
5.5
5.8
6.3
6.4
5.8
5.8
6.5
6.3
3.9
5.3
4.5
5.9
5.5
7.2
1
1
1
1
1
1
1
1.5
1.5
1.5
1.5
SN74LVTH162245
VCC = 3.3 V
±
0.3 V
VCC = 2.7 V
MIN TYP† MAX MIN MAX
1 2.3
3.3
3.7
2.2
2.8
2.5
2.8
3
3.3
3.3
3.8
3.5
4
3.8
3.3
4
3.4
4.6
4.6
5.3
5.1
5.2
5.1
5.6
5.5
5.8
5.5
5.4
5.9
5.5
3.5
4.6
3.6
5.4
5.2
6.3
0.5
ns
6
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SN54LVTH162245, SN74LVTH162245
3.3-V ABT 16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS260O – JUNE 1993 – REVISED SEPTEMBER 2003
500 Ω S1
500 Ω
6 V
Open
GND
TEST tPLH/tPHL tPLZ/tPZL tPHZ/tPZH
S1
Open
6 V
GND
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT
Timing Input 1.5 V
2.7 V
0 V
Input 1.5 V tw
1.5 V
2.7 V
0 V
Data Input tsu
1.5 V th
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
1.5 V
2.7 V
0 V
VOLTAGE WAVEFORMS
PULSE DURATION
2.7 V
Input 1.5 V 1.5 V
0 V tPLH tPHL
VOH
Output 1.5 V 1.5 V
VOL tPHL tPLH
VOH
Output
1.5 V 1.5 V
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
INVERTING AND NONINVERTING OUTPUTS
VOL
Output
Control
1.5 V 1.5 V
2.7 V
0 V
Output
Waveform 1
S1 at 6 V
(see Note B) tPZL tPZH
1.5 V tPLZ
3 V
VOL + 0.3 V
VOL tPHZ
Output
Waveform 2
S1 at GND
(see Note B)
1.5 V
VOH – 0.3 V
VOH
≈
0 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
NOTES: A. CL includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR
≤ 10 MHz, ZO = 50 Ω , tr ≤ 2.5 ns, tf ≤
2.5 ns.
D. The outputs are measured one at a time with one transition per measurement.
Figure 1. Load Circuit and Voltage Waveforms
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7

WD (R-GDFP-F**)
48 LEADS SHOWN
0.120 (3,05)
0.075 (1,91)
MECHANICAL DATA
MCFP010B – JANUARY 1995 – REVISED NOVEMBER 1997
CERAMIC DUAL FLATPACK
0.009 (0,23)
0.004 (0,10)
0.370 (9,40)
0.250 (6,35)
1
1.130 (28,70)
0.870 (22,10)
0.390 (9,91)
0.370 (9,40)
48
0.370 (9,40)
0.250 (6,35)
0.025 (0,635)
A
0.014 (0,36)
0.008 (0,20)
24 25
NO. OF
LEADS**
A MAX
A MIN
48 56
0.640
(16,26)
0.610
(15,49)
0.740
(18,80)
0.710
(18,03)
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
C. This package can be hermetically sealed with a ceramic lid using glass frit.
D. Index point is provided on cap for terminal identification only
E. Falls within MIL STD 1835: GDFP1-F48 and JEDEC MO -146AA
GDFP1-F56 and JEDEC MO -146AB
4040176 / D 10/97
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1

DL (R-PDSO-G**)
48 PINS SHOWN
0.025 (0,635)
48
1
A
MSSO001C – JANUARY 1995 – REVISED DECEMBER 2001
PLASTIC SMALL-OUTLINE PACKAGE
0.0135 (0,343)
0.008 (0,203)
25
0.005 (0,13) M
0.010 (0,25)
0.005 (0,13)
0.299 (7,59)
0.291 (7,39)
0.420 (10,67)
0.395 (10,03) Gage Plane
24
0
°
– ā
8
°
0.010 (0,25)
0.040 (1,02)
0.020 (0,51)
Seating Plane
0.004 (0,10)
0.110 (2,79) MAX 0.008 (0,20) MIN
PINS **
DIM
A MAX
A MIN
28 48 56
0.380
(9,65)
0.370
(9,40)
0.630
(16,00)
0.730
(18,54)
0.620
(15,75)
0.720
(18,29)
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
C. Body dimensions do not include mold flash or protrusion not to exceed 0.006 (0,15).
D. Falls within JEDEC MO-118
4040048 / E 12/01
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1

MECHANICAL DATA
MTSS003D – JANUARY 1995 – REVISED JANUARY 1998
PLASTIC SMALL-OUTLINE PACKAGE DGG (R-PDSO-G**)
48 PINS SHOWN
48
0,50
0,27
0,17
25
0,08 M
1
A
24
6,20 8,30
6,00 7,90 0,15 NOM
Gage Plane
0
°
– 8
°
0,25
0,75
0,50
1,20 MAX
0,15
0,05
Seating Plane
0,10
DIM
PINS **
A MAX
48
12,60
56 64
14,10 17,10
A MIN 12,40 13,90 16,90
NOTES: A. All linear dimensions are in millimeters.
B. This drawing is subject to change without notice.
C. Body dimensions do not include mold protrusion not to exceed 0,15.
D. Falls within JEDEC MO-153
4040078 / F 12/97
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1

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Copyright

2003, Texas Instruments Incorporated