SN74LVCH16244A
16-BIT BUFFER/DRIVER
WITH 3-STATE OUTPUTS
www.ti.com
SCES494A–OCTOBER 2003–REVISED NOVEMBER 2005
FEATURES
DGG, DGV, OR DL PACKAGE
(TOP VIEW)
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Member of the Texas Instruments Widebus™
Family
1
48
47
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45
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43
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40
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38
37
36
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34
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32
31
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25
1OE
1Y1
1Y2
GND
1Y3
1Y4
2OE
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 4.1 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
2Y1
2Y2
GND
2Y3
2Y4
3Y1
3Y2
GND
3Y3
3Y4
2A1
2A2
GND
2A3
2A4
3A1
3A2
GND
3A3
3A4
9
Ioff Supports Partial-Power-Down Mode
Operation
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Supports Mixed-Mode Signal Operation on All
Ports (5-V Input/Output Voltage With
3.3-V VCC
)
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Bus Hold on Data Inputs Eliminates the Need
for External Pullup/Pulldown Resistors
Latch-Up Performance Exceeds 250 mA Per
JESD 17
V
CC
V
CC
ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
4Y1
4Y2
GND
4Y3
4Y4
4OE
4A1
4A2
GND
4A3
4A4
3OE
DESCRIPTION/ORDERING INFORMATION
This 16-bit buffer/driver is designed for 1.65-V to
3.6-V VCC operation.
The SN74LVCH16244A is designed specifically to improve the performance and density of 3-state memory
address drivers, clock drivers, and bus-oriented receivers and transmitters.
ORDERING INFORMATION
TA
PACKAGE(1)
ORDERABLE PART NUMBER
SN74LVCH16244AGRDR
SN74LVCH16244AZRDR
SN74LVCH16244ADL
TOP-SIDE MARKING
FBGA – GRD
Tape and reel
Tube
LDH244A
FBGA – ZRD (Pb-free)
SSOP – DL
SN74LVCH16244ADLR
74LVCH16244ADLRG4
SN74LVCH16244ADGGR
74LVCH16244ADGGRG4
SN74LVCH16244ADGVR
74LVCH16244ADGVRE4
SN74LVCH16244AGQLR
SN74LVCH16244AZQLR
LVCH16244A
Tape and reel
–40°C to 85°C
TSSOP – DGG
TVSOP – DGV
Tape and reel
Tape and reel
Tape and reel
LVCH16244A
LDH244A
VFBGA – GQL
LDH244A
VFBGA – ZQL (Pb-free)
(1) 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.
Copyright © 2003–2005, 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.