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SN74HCT125DRG4 数据手册 - TI（德州仪器）
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TI（德州仪器）
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逻辑控制器
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SOIC-14
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SN74HCT125DRG4数据手册
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SN54HCT125, SN74HCT125
QUADRUPLE BUS BUFFER GATES
WITH 3-STATE OUTPUTS
SCLS069E – NOVEMBER 1988 – REVISED AUGUST 2003
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
D
Operating Voltage Range of 4.5 V to 5.5 V
D
High-Current Outputs Drive Up To 15
LSTTL Loads
D
Low Power Consumption, 80-µA Max I
CC
D
Typical t
pd
= 12 ns
D
±6-mA Output Drive at 5 V
D
Low Input Current of 1 µA Max
D
Inputs Are TTL-Voltage Compatible
D
High-Current 3-State Outputs Drive Bus
Lines or Buffer Memory Address Registers
SN54HCT125 ...J OR W PACKAGE
SN74HCT125 ...D OR N PACKAGE
(TOP VIEW)
3212019
910111213
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
SN54HCT125 . . . FK PACKAGE
(TOP VIEW)
CC
NC – No internal connection
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1OE
1A
1Y
2OE
2A
2Y
GND
V
CC
4OE
4A
4Y
3OE
3A
3Y
description/ordering information
These bus buffer gates 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 V
CC
through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
ORDERING INFORMATION
T
A
PACKAGE
†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
–40 C to 85 C
PDIP – N Tube of 25 SN74HCT125N SN74HCT125N
–40°C to 85°C
SOIC – D
Tube of 50 SN74HCT125D
HCT125
–40°C to 85°C
SOIC – D
Reel of 2500 SN74HCT125DR
HCT125
Reel of 250 SN74HCT125DT
–55 C to 125 C
CDIP – J Tube of 25 SNJ54HCT125J SNJ54HCT125J
–55
°
C to 125
°
C
CFP – W Tube of 150 SNJ54HCT125W SNJ54HCT125W
LCCC – FK Tube of 55 SNJ54HCT125FK SNJ54HCT125FK
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Copyright 2003, Texas Instruments Incorporated
UNLESS OTHERWISE NOTED this document contains PRODUCTION
DATA information 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.
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