MM74HC125CW Просмотр технического описания (PDF) - Fairchild Semiconductor
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MM74HC125CW Datasheet PDF : 6 Pages
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September 1983
Revised February 1999
MM74HC125/MM74HC126
3-STATE Quad Buffers
General Description
The MM74HC125 and MM74HC126 are general purpose
3-STATE high speed non-inverting buffers utilizing
advanced silicon-gate CMOS technology. They have high
drive current outputs which enable high speed operation
even when driving large bus capacitances. These circuits
possess the low power dissipation of CMOS circuitry, yet
have speeds comparable to low power Schottky TTL cir-
cuits. Both circuits are capable of driving up to 15 low
power Schottky inputs.
The MM74HC125 require the 3-STATE control input C to
be taken high to put the output into the high impedance
condition, whereas the MM74HC126 require the control
input to be low to put the output into high impedance.
All inputs are protected from damage due to static dis-
charge by diodes to VCC and ground.
Features
s Typical propagation delay: 13 ns
s Wide operating voltage range: 2–6V
s Low input current: 1 µA maximum
s Low quiescent current: 80 µA maximum (74HC)
s Fanout of 15 LS-TTL loads
Ordering Code:
Order Number Package Number
Package Description
MM74HC125M
M14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150” Narrow Body
MM74HC125SJ
M14D
14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
MM74HC125MTC
MTC14
14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
MM74HC125N
N14A
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
MM74HC126M
M14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150” Narrow Body
MM74HC126SJ
M14D
14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
MM74HC126MTC
MTC14
14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
MM74HC126N
N14A
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. (Tape and Reel not available in N14A.)
Connection Diagrams
Pin Assignments for DIP, SOIC, SOP and TSSOP
Top View (MM74HC125)
Truth Tables
Inputs
A
C
H
L
L
L
X
H
Output
Y
H
L
Z
© 1999 Fairchild Semiconductor Corporation DS005308.prf
Top View (MM74HC126)
Inputs
A
C
H
H
L
H
X
L
Output
Y
H
L
Z
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