SN74LVT244B
3.3-V ABT OCTAL BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCAS354J − FEBRUARY 1994 − REVISED SEPTEMBER 2003
D
Supports Mixed-Mode Signal Operation
(5-V Input and Output Voltages With
D
D
D
I
and Power-Up 3-State Support Hot
off
Insertion
3.3-V V
)
CC
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
D
D
Supports Unregulated Battery Operation
Down to 2.7 V
ESD Protection Exceeds JESD 22
− 2000-V Human-Body Model (A114-A)
− 200-V Machine Model (A115-A)
Typical V
(Output Ground Bounce)
OLP
<0.8 V at V = 3.3 V, T = 25°C
CC
A
− 1000-V Charged-Device Model (C101)
DB, DW, NS, OR PW PACKAGE
(TOP VIEW)
RGY PACKAGE
(TOP VIEW)
1OE
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
VCC
2OE
1Y1
2A4
1Y2
2A3
1Y3
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
1
20
19
18
17
16
15
14
13
12
2
3
4
5
6
7
8
9
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
2OE
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
13 2A2
12 1Y4
11
2A1
10
11
description/ordering information
This octal buffer and line driver is designed specifically for low-voltage (3.3-V) V
capability to provide a TTL interface to a 5-V system environment.
operation, but with the
CC
The SN74LVT244B is organized as two 4-bit line drivers with separate output-enable (OE) inputs. When OE
is low, the device passes data from the A inputs to the Y outputs. When OE is high, the outputs are in the
high-impedance state.
ORDERING INFORMATION
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
†
T
A
PACKAGE
QFN − RGY
SOIC − DW
Tape and reel
Tube
SN74LVT244BRGYR
SN74LVT244BDW
SN74LVT244BDWR
SN74LVT244BNSR
SN74LVT244BDBR
SN74LVT244BPW
SN74LVT244BPWR
SN74LVT244BGQNR
SN74LVT244BZQNR
LX244B
LVT244B
Tape and reel
Tape and reel
Tape and reel
Tube
SOP − NS
LVT244B
LX244B
SSOP − DB
−40°C to 85°C
TSSOP − PW
LX244B
LX244B
Tape and reel
VFBGA − GQN
Tape and reel
VFBGA − ZQN (Pb-free)
†
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.
Copyright © 2003, 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
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