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STMicroelectronics Electronic Components Datasheet

M74HC125 Datasheet

QUAD BUS BUFFERS 3-STATE

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M74HC125 pdf
M54/74HC125
M54/74HC126
. HIGH SPEED
tPD = 8 ns (TYP.) AT VCC = 5 V
. LOW POWER DISSIPATION
ICC = 4 µA (MAX.) AT 25 °C
. OUTPUT DRIVE CAPABILITY
15 LSTTL LOADS
. BALANCED PROPAGATION DELAYS
tPLH = tPHL
. SYMMETRICAL OUTPUT IMPEDANCE
IOL = IOH= 6 mA (MIN.)
. HIGH NOISE IMMUNITY
VNIH = VNIL = 28 % VCC (MIN.)
. WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2 V TO 6 V
. PIN AND FUNCTION COMPATIBLE
WITH 54/74LS125/126
QUAD BUS BUFFERS (3-STATE)
B1R
(Plastic Package)
F1R
(Ceramic Package)
M 1R
(Micro Package)
C1R
(Chip Carrier)
ORDER CODES :
M54HCXXXF1R M74HCXXXM1R
M74HCXXXB1R M74HCXXXC1R
DESCRIPTION
The M54/74HC125/126 are high speed CMOS
QUAD BUS BUFFER (3-STATE) FABRICATED IN
SILICON GATE C2MOS technology.
They have the same high speed performance of
LSTTL combined with true CMOS low power con-
sumption.
These devices require the same 3-STATE control
input G to be taken high to make the output go into
the high impedance state.
All inputs are equipped with protection circuits
against static discharge and transient excess volt-
age.
PIN CONNECTIONS (top view)
HC125
INPUT AND OUTPUT EQUIVALENT CIRCUIT
HC126
September 1993
NC =
No Internal
Connection
1/11


STMicroelectronics Electronic Components Datasheet

M74HC125 Datasheet

QUAD BUS BUFFERS 3-STATE

No Preview Available !

M74HC125 pdf
M54/M74HC125/126
CHIP CARRIER
HC125
HC126
TRUTH TABLE (HC125)
AG
XH
LL
HL
Y
Z
L
H
PIN DESCRIPTION (HC125)
PIN No
1, 4, 10, 13
2, 5, 9, 12
3, 6, 8, 11
7
14
SYMBOL
G1 to G4
A1 to A4
Y1 to Y4
GND
VCC
NAME AND FUNCTION
Output Enable Input
Data Inputs
Data Outputs
Ground (0V)
Positive Supply Voltage
IEC LOGIC SYMBOLS
HC125
TRUTH TABLE (HC126)
AG
XL
LH
HH
Y
Z
L
H
PIN DESCRIPTION (HC126)
PIN No
1, 4, 10, 13
2, 5, 9, 12
3, 6, 8, 11
7
14
SYMBOL
G1 to G4
A1 to A4
Y1 to Y4
GND
VCC
NAME AND FUNCTION
Output Enable Input
Data Inputs
Data Outputs
Ground (0V)
Positive Supply Voltage
HC126
2/11


Part Number M74HC125
Description QUAD BUS BUFFERS 3-STATE
Maker ST Microelectronics
Total Page 11 Pages
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