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| 型號： | SN54LS126AJ |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | QUADRUPLE BUS BUFFERS WITH 3-STATE OUTPUTS |
| 中文描述： | 翻兩番總線緩沖器，具有三態(tài)輸出 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 580K |
| 代理商： | SN54LS126AJ |
SN54125, SN54126, SN54LS125A, SN54LS126A,
SN74125, SN74126, SN74LS125A, SN74LS126A
QUADRUPLE BUS BUFFERS WITH 3-STATE OUTPUTS
SDLS044A – DECEMBER 1983 – REVISED MARCH 2002
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Quad Bus Buffers
3-State Outputs
Separate Control for Each Channel
description
These bus buffers feature three-state outputs
that, when enabled, have the low impedance
characteristics of a TTL output with additional
drive capability at high logic levels to permit
driving heavily loaded bus lines without external
pullup resistors. When disabled, both output
transistors
are
turned
high-impedance state to the bus so the output will
act neither as a significant load nor as a driver. The
’125 and ’LS125A devices’ outputs are disabled
when G is high. The ’126 and ’LS126A devices’
outputs are disabled when G is low.
off,
presenting
a
The SN54125, SN54126, SN74125,
SN74126, and SN54LS126A are
obsolete and are no longer supplied.
Copyright
2002, Texas Instruments Incorporated
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.
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.
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.
SN54125, SN54126, SN54LS125A,
SN54LS126A . . . J OR W PACKAGE
SN74125, SN74126 . . . N PACKAGE
SN74LS125A, SN74LS126A . . . D, N, OR NS PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1G, 1G*
1A
1Y
2G, 2G*
2A
2Y
GND
V
CC
4G, 4G*
4A
4Y
3G, 3G*
3A
3Y
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
4A
NC
4Y
NC
3G, 3G*
1Y
NC
2G, 2G*
NC
2A
1
1
N
3
3
4
2
G
N
V
C
SN54LS125A, SN54LS126A . . . FK PACKAGE
(TOP VIEW)
*G on ’125 and ’LS125A devices;
G on 126 and ’LS126A devices
NC – No internal connection
*G on ’125 and ’LS125A devices;
G on 126 and ’LS126A devices
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