SN74LVCZ16244A
16-BIT BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCES277D – JUNE 1999 – REVISED SEPTEMBER 2002
DGG, DGV, OR DL PACKAGE
(TOP VIEW)
Member of the Texas Instruments
Widebus Family
Operates From 2.7 V to 3.6 V
Inputs Accept Voltages to 5.5 V
1OE
1Y1
1Y2
GND
1Y3
1Y4
1
2
3
4
5
6
7
8
9
48 2OE
47 1A1
46 1A2
45 GND
44 1A3
43 1A4
Max t of 4.1 ns at 3.3 V
pd
I
and Power-Up 3-State Support Hot
off
Insertion
Supports Mixed-Mode Signal Operation on
All Ports (5-V Input/Output Voltage With
V
42
V
CC
CC
2Y1
2Y2
41 2A1
40 2A2
39 GND
38 2A3
37 2A4
36 3A1
35 3A2
34 GND
33 3A3
32 3A4
3.3-V V
)
CC
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
GND 10
2Y3 11
2Y4 12
3Y1 13
3Y2 14
GND 15
3Y3 16
3Y4 17
ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 1000-V Charged-Device Model (C101)
description/ordering information
This 16-bit buffer/driver is designed for 2.7-V to
V
18
31
V
CC
CC
3.6-V V
operation.
CC
4Y1 19
4Y2 20
GND 21
4Y3 22
30 4A1
29 4A2
28 GND
27 4A3
The SN74LVCZ16244A is designed specifically to
improve the performance and density of 3-state
memory address drivers, clock drivers, and
bus-oriented receivers and transmitters.
23
24
26
25
4Y4
4OE
4A4
3OE
The device can be used as four 4-bit buffers, two
8-bit buffers, or one 16-bit buffer. It provides true
outputs.
Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators
in a mixed 3.3-V/5-V system environment.
During power up or power down when V
However, to ensure the high-impedance state above 1.5 V, OE should be tied to V
the minimum value of the resistor is determined by the current-sinking capability of the driver.
is between 0 and 1.5 V, the device is in the high-impedance state.
CC
through a pullup resistor;
CC
ORDERING INFORMATION
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
†
PACKAGE
T
A
Tube
SN74LVCZ16244ADL
SSOP – DL
LVCZ16244A
Tape and reel
SN74LVCZ16244ADLR
SN74LVCZ16244ADGGR
SN74LVCZ16244ADGVR
–40°C to 85°C
TSSOP – DGG Tape and reel
TVSOP – DGV Tape and reel
LVCZ16244A
CW244A
†
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.
Copyright 2002, Texas Instruments Incorporated
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.
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265