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| 型號： | SNJ54BCT125AJ |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | BCT/FBT SERIES, QUAD 1-BIT DRIVER, TRUE OUTPUT, CDIP14 |
| 封裝： | CERAMIC, DIP-14 |
| 文件頁數(shù)： | 1/17頁 |
| 文件大小： | 687K |
| 代理商： | SNJ54BCT125AJ |
SN54BCT125A, SN74BCT125A
QUADRUPLE BUS BUFFER GATES
WITH 3-STATE OUTPUTS
SCBS032F – SEPTEMBER 1988 – REVISED MARCH 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Operating Voltage Range of 4.5 V to 5.5 V
D State-of-the-Art BiCMOS Design
Significantly Reduces ICCZ
D 3-State Outputs Drive Bus Lines or Buffer
Memory Address Registers
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1OE
1A
1Y
2OE
2A
2Y
GND
VCC
4OE
4A
4Y
3OE
3A
3Y
32
1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
4A
NC
4Y
NC
3OE
1Y
NC
2OE
NC
2A
1A
1OE
NC
3Y
3A
V
4OE
2Y
GND
NC
SN54BCT125A ...FK PACKAGE
(TOP VIEW)
CC
NC – No internal connection
SN54BCT125A ...J OR W PACKAGE
SN74BCT125A . . . D, N, OR NS PACKAGE
(TOP VIEW)
description/ordering information
The ’BCT125A bus buffers feature independent line drivers with 3-state outputs. Each output is disabled when
the associated output-enable (OE) input is high.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP – N
Tube
SN74BCT125AN
0
°Cto70°C
SOIC
D
Tube
SN74BCT125AD
BCT125A
0
°C to 70°C
SOIC – D
Tape and reel
SN74BCT125ADR
BCT125A
SOP – NS
Tape and reel
SN74BCT125ANSR
BCT125A
CDIP – J
Tube
SNJ54BCT125AJ
–55
°C to 125°C
CFP – W
Tube
SNJ54BCT125AW
LCCC – FK
Tube
SNJ54BCT125AFK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
FUNCTION TABLE
(each buffer)
INPUTS
OUTPUT
OE
A
Y
L
H
L
LL
H
X
Z
Copyright
2003, Texas Instruments Incorporated
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.
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.
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.
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