M74HCT393 Datasheet PDF - ST Microelectronics
| Part Number | M74HCT393 | |
| Description | DUAL BINARY COUNTER | |
| Manufacturers | ST Microelectronics | |
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M54HCT393
M74HCT393
. HIGH SPEED
fMAX = 80 MHz (TYP.) AT VCC = 5 V
. LOW POWER DISSIPATION
ICC = 4 µA (MAX.) AT TA = 25 °C
. COMPATIBLE WITH TTL OUTPUTS
VIH = 2V (MIN.) VIL = 0.8V (MAX)
. OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
. SYMMETRICAL OUTPUT IMPEDANCE
|IOH| = IOL = 4 mA (MIN.)
. BALANCED PROPAGATION DELAYS
tPLH = tPHL
. PIN AND FUNCTION COMPATIBLE
WITH 54/74LS393
DUAL BINARY COUNTER
B1R
(Plastic Package)
F1R
(Ceramic Package)
M 1R
(Micro Package)
C1R
(Chip Carrier)
ORDER CODES :
M54HCT393F1R M74HCT393M1R
M74HCT393B1R M74HCT393C1R
DESCRIPTION
The M54/74HCT393 is a high speed CMOS DUAL
BINARY COUNTER fabricated in silicon gate
C2MOS technology. It has the same high speed
performance of LSTTL combined with true COMS
low power consumption.
This counter circuit contains independent ripple
carry counters and two 4-bit ripple carry binary
counters, which can be cascated 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 high 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.
This integrated circuit has input and output
characteristics that are fully compatible with 54/74
LSTTL logic families. M54/74HCT devices are
designed to directly interface HSC2MOS systems
with TTL and NMOS components. They are also
plug in replacements for LSTTL devices giving a
reduction of power consumption.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
October 1993
PIN CONNECTIONS (top view)
NC =
No Internal
Connection
1/12
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M54/M74HCT393
DC SPECIFICATIONS
Symbol
Parameter
VIH High Level Input
Voltage
VIL Low Level Input
Voltage
VOH High Level
Output Voltage
VOL Low Level Output
Voltage
II Input Leakage
Current
ICC Quiescent Supply
Current
∆ICC Additional worst
case supply
current
Test Conditions
VCC
(V)
TA = 25 oC
54HC and 74HC
Min. Typ. Max.
Value
-40 to 85 oC
74HC
Min. Max.
-55 to 125 oC
54HC
Min. Max.
4.5 2.0 2.0 2.0
to
5.5
4.5 0.8 0.8 0.8
to
5.5
VI = IO=-20 µA 4.4
4.5
VIH
or IO=-4.0 mA 4.18
VIL
4.5
4.31
4.4
4.13
4.4
4.10
VI = IO= 20 µA
4.5
VIH
or IO= 4.0 mA
VIL
0.0 0.1
0.17 0.26
0.1
0.33
0.1
0.4
5.5 VI = VCC or GND
±0.1 ±1
±1
5.5 VI = VCC or GND
4 40 80
5.5 Per Input pin
VI = 0.5V or
VI = 2.4V
Other Inputs at
VCC or GND
2.0 2.9 3.0
Unit
V
V
V
V
µA
µA
mA
5/12
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for M74HCT393 electronic component. |
| Information | Total 12 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ M74HCT393.PDF Datasheet ] | |
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