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M54HC4022 Datasheet(PDF) 1 Page - STMicroelectronics

Part No. M54HC4022
Description  OCTAL COUNTER/DIVIDER
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M54HC4022 Datasheet(HTML) 1 Page - STMicroelectronics

 
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M54HC4022
M74HC4022
October 1992
OCTAL COUNTER/DIVIDER
B1R
(Plastic Package)
ORDER CODES :
M54HC4022F1R
M74HC4022M1R
M74HC4022B1R
M74HC4022C1R
F1R
(Ceramic Package)
M1R
(Micro Package)
C1R
(Chip Carrier)
PIN CONNECTIONS (top view)
NC =
No Internal
Connection
DESCRIPTION
.
HIGH SPEED
fMAX = 57 MHz (TYP.) at VCC =5 V
.
LOW POWER DISSIPATION
ICC 4
µA (MAX.) at TA =25 °C
.
HIGH NOISE IMMUNITY
VNIH =VNIL =28 % VCC (MIN.)
.
OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
.
SYMMETRICAL OUTPUT IMPEDANCE
|IOH|= IOL = 4 mA (MIN.)
.
BALANCED PROPAGATION DELAYS
tPLH =tPHL
.
WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2 V to 6 V
.
PIN AND FUNCTION COMPATIBLE
WITH 4022B
The M54/74HC4022 is a high speed CMOS OCTAL
COUNTER/DIVIDER fabricated in silicon gate
C
2MOS technology.
It has the same high speed performance of LSTTL
combined with true CMOS low power consumption.
It contains a 4-stage divide-by-8 Johnson counter
with 8 decoded outputs (Q0-Q7) and a Carry-out bit.
This counter is advanced on the positive edge of the
clock signal when CLOCK ENABLE input is held
low, or is advanced on the negative edge of clock
enable signal when CLOCK input is held high, and
the selected one of eight outputs goes high. Holding
the CLEAR input high clears the counter to zero re-
gardless of the other input conditions. All inputs are
equipped with protection circuits against static dis-
charge and transient excess voltage.
1/12


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