SN74LVCHR16245A
16-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
www.ti.com
SCAS582P–NOVEMBER 1996–REVISED DECEMBER 2005
FEATURES
DGG, DGV, OR DL PACKAGE
(TOP VIEW)
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Member of the Texas Instruments Widebus™
Family
1
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1DIR
1B1
1B2
GND
1B3
1B4
1OE
1A1
1A2
GND
1A3
1A4
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Operates From 1.65 V to 3.6 V
Inputs Accept Voltages to 5.5 V
Max tpd of 4.8 ns at 3.3 V
2
3
4
Typical VOLP (Output Ground Bounce)
<0.8 V at VCC = 3.3 V, TA = 25°C
5
6
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Typical VOHV (Output VOH Undershoot)
>2 V at VCC = 3.3 V, TA = 25°C
7
V
CC
V
CC
8
1B5
1B6
GND
1B7
1B8
2B1
2B2
GND
2B3
2B4
1A5
1A6
GND
1A7
1A8
2A1
2A2
GND
2A3
2A4
9
Supports Mixed-Mode Signal Operation on All
Ports (5-V Input/Output Voltage
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
With 3.3-V VCC
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Bus Hold on Data Inputs Eliminates the Need
for External Pullup/Pulldown Resistors
All Outputs Have Equivalent 26-Ω Series
Resistors, So No External Resistors Are
Required
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Ioff Supports Partial-Power-Down Mode
Operation
V
CC
V
CC
2B5
2B6
GND
2B7
2B8
2DIR
2A5
2A6
GND
2A7
2A8
2OE
Latch-Up Performance Exceeds 250 mA Per
JESD 17
ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
DESCRIPTION/ORDERING INFORMATION
This 16-bit (dual-octal) noninverting bus transceiver is designed for 1.65-V to 3.6-V VCC operation.
The SN74LVCHR16245A is designed for asynchronous communication between data buses. The
control-function implementation minimizes external-timing requirements.
ORDERING INFORMATION
TA
PACKAGE(1)
ORDERABLE PART NUMBER
74LVCHR16245AGRDR
74LVCHR16245AZRDR
SN74LVCHR16245ALR
74LVCHR16245ALRG4
SN74LVCHR16245AGR
74LVCHR16245AGRG4
SN74LVCHR16245AVR
74LVCHR16245AVRE4
SN74LVCHR16245AKR
74LVCHR16245AZQLR
TOP-SIDE MARKING
LR245A
FBGA – GRD
Tape and reel
Tape and reel
Tape and reel
Tape and reel
Tape and reel
FBGA – ZRD (Pb-free)
SSOP – DL
LVCHR16245A
LVCHR16245A
LDR245A
TSSOP – DGG
TVSOP – DGV
–40°C to 85°C
VFBGA – GQL
LR245A
VFBGA – ZQL (Pb-free)
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines areavailable 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.
Copyright © 1996–2005, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.