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PDF M74HC393 Data sheet ( Hoja de datos )
| Número de pieza | M74HC393 | |
| Descripción | DUAL BINARY COUNTER | |
| Fabricantes | ST Microelectronics | |
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M74HC393
DUAL BINARY COUNTER
s HIGH SPEED :
fMAX = 79 MHz (TYP.) at VCC = 6V
s LOW POWER DISSIPATION:
ICC =4µA(MAX.) at TA=25°C
s HIGH NOISE IMMUNITY:
VNIH = VNIL = 28 % VCC (MIN.)
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 4mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH ≅ tPHL
s WIDE OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 6V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 393
DESCRIPTION
The M74HC393 is an high speed CMOS DUAL
BINARY COUNTER fabricated with silicon gate
C2MOS 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,
DIP
SOP
TSSOP
ORDER CODES
PACKAGE
TUBE
DIP
SOP
TSSOP
M74HC393B1R
M74HC393M1R
T&R
M74HC393RM13TR
M74HC393TTR
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
1 page  
M74HC393
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
Test Condition
VCC
(V)
2.0
4.5
6.0
2.0
4.5
6.0
2.0 IO=-20 µA
4.5 IO=-20 µA
6.0 IO=-20 µA
4.5 IO=-4.0 mA
6.0 IO=-5.2 mA
2.0 IO=20 µA
4.5 IO=20 µA
6.0 IO=20 µA
4.5 IO=4.0 mA
6.0 IO=5.2 mA
6.0 VI = VCC or GND
Value
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min.
1.5
3.15
4.2
1.9
4.4
5.9
4.18
5.68
Typ. Max.
0.5
1.35
1.8
2.0
4.5
6.0
4.31
5.8
0.0 0.1
0.0 0.1
0.0 0.1
0.17 0.26
0.18 0.26
Min.
1.5
3.15
4.2
1.9
4.4
5.9
4.13
5.63
Max.
0.5
1.35
1.8
0.1
0.1
0.1
0.33
0.33
Min.
1.5
3.15
4.2
1.9
4.4
5.9
4.10
5.60
Max.
0.5
1.35
1.8
0.1
0.1
0.1
0.40
0.40
V
V
V
V
± 0.1
±1
± 1 µA
6.0 VI = VCC or GND
4 40 80 µA
5/11
5 Page 
M74HC393
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from
its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications
mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information
previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or
systems without express written approval of STMicroelectronics.
© The ST logo is a registered trademark of STMicroelectronics
© 2001 STMicroelectronics - Printed in Italy - All Rights Reserved
STMicroelectronics GROUP OF COMPANIES
Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco
Singapore - Spain - Sweden - Switzerland - United Kingdom
© http://www.st.com
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| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet M74HC393.PDF ] | |
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