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JM38510/32301B2A Datasheet

  • JM38510/32301B2A

  • QUADRUPLE BUS BUFFERS WITH 3-STATE OUTPUTS

  • 578.58KB

  • 18頁

  • TI

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The SN54125, SN54126, SN74125,
SN74126, and SN54LS126A are
obsolete and are no longer supplied.
SN54125, SN54126, SN54LS125A, SN54LS126A,
SN74125, SN74126, SN74LS125A, SN74LS126A
QUADRUPLE BUS BUFFERS WITH 3-STATE OUTPUTS
SDLS044A 鈥?DECEMBER 1983 鈥?REVISED MARCH 2002
D
D
D
Quad Bus Buffers
3-State Outputs
Separate Control for Each Channel
SN54125, SN54126, SN54LS125A,
SN54LS126A . . . J OR W PACKAGE
SN74125, SN74126 . . . N PACKAGE
SN74LS125A, SN74LS126A . . . D, N, OR NS PACKAGE
(TOP VIEW)
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 off, presenting a
high-impedance state to the bus so the output will
act neither as a significant load nor as a driver. The
鈥?25 and 鈥橪S125A devices鈥?outputs are disabled
when G is high. The 鈥?26 and 鈥橪S126A devices鈥?/div>
outputs are disabled when G is low.
1G, 1G*
1A
1Y
2G, 2G*
2A
2Y
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V
CC
4G, 4G*
4A
4Y
3G, 3G*
3A
3Y
*G on 鈥?25 and 鈥橪S125A devices;
G on 126 and 鈥橪S126A devices
SN54LS125A, SN54LS126A . . . FK PACKAGE
(TOP VIEW)
1Y
NC
2G, 2G*
NC
2A
4
5
6
7
8
3 2 1 20 19
18
17
16
15
14
9 10 11 12 13
1A
1G, 1G*
NC
V
CC
4G, 4G*
4A
NC
4Y
NC
3G, 3G*
*G on 鈥?25 and 鈥橪S125A devices;
G on 126 and 鈥橪S126A devices
NC 鈥?No internal connection
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
錚?/div>
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.
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
2Y
GND
NC
3Y
3A
1

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