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M74HC393数据手册封面

M74HC393 Datasheet

  • M74HC393

  • DUAL BINARY COUNTER

  • 199.14KB

  • STMicroelectronics   STMicroelectronics

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M74HC393
DUAL BINARY COUNTER
s
s
s
s
s
s
s
HIGH SPEED :
f
MAX
= 79 MHz (TYP.) at V
CC
= 6V
LOW POWER DISSIPATION:
I
CC
=4碌A(MAX.) at T
A
=25掳C
HIGH NOISE IMMUNITY:
V
NIH
= V
NIL
= 28 % V
CC
(MIN.)
SYMMETRICAL OUTPUT IMPEDANCE:
|I
OH
| = I
OL
= 4mA (MIN)
BALANCED PROPAGATION DELAYS:
t
PLH
鈮?/div>
t
PHL
WIDE OPERATING VOLTAGE RANGE:
V
CC
(OPR) = 2V to 6V
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 393
DIP
SOP
TSSOP
ORDER CODES
PACKAGE
DIP
SOP
TSSOP
TUBE
M74HC393B1R
M74HC393M1R
T&R
M74HC393RM13TR
M74HC393TTR
DESCRIPTION
The M74HC393 is an high speed CMOS DUAL
BINARY COUNTER fabricated with silicon gate
C
2
MOS technology.
This counter circuit contains independent ripple
carry counters and two 4-bit ripple carry binary
counters, which can be cascaded to create a
single divide by 256 counter.
Each 4-bit counter is incremented on the high to
low transition (negative edge) of the clock input,
and each has an independent clear input. When
CLEAR is set to low, all four bits of each counter
are set to a low level. This enables count
truncation and allows the implementation of divide
by N counter configurations.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
July 2001
1/11

M74HC393 PDF文件相关型号

M74HC393B1R,M74HC393RM13TR,M74HC393TTR

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