MC74VHC393 Просмотр технического описания (PDF) - ON Semiconductor
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MC74VHC393 Datasheet PDF : 12 Pages
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MC74VHC393
Dual 4-Bit Binary Ripple
Counter
The MC74VHC393 is an advanced high speed CMOS dual 4–bit
binary ripple counter fabricated with silicon gate CMOS technology. It
achieves high speed operation similar to equivalent Bipolar Schottky
TTL while maintaining CMOS low power dissipation.
This device consists of two independent 4–bit binary ripple counters
with parallel outputs from each counter stage. A ÷256 counter can be
obtained by cascading the two binary counters.
Internal flip–flops are triggered by high–to–low transitions of the
clock input. Reset for the counters is asynchronous and active–high.
State changes of the Q outputs do not occur simultaneously because of
internal ripple delays. Therefore, decoded output signals are subject to
decoding spikes and should not be used as clocks or as strobes except
when gated with the Clock of the VHC393.
The inputs tolerate voltages up to 7 V, allowing the interface of 5 V
systems to 3 V systems.
• High Speed: fmax = 170 MHz (Typ) at VCC = 5 V
• Low Power Dissipation: ICC = 4 mA (Max) at TA = 25°C
• High Noise Immunity: VNIH = VNIL = 28% VCC
• Power Down Protection Provided on Inputs
• Balanced Propagation Delays
• Designed for 2 V to 5.5 V Operating Range
• Low Noise: VOLP = 0.8 V (Max)
• Pin and Function Compatible with Other Standard Logic Families
• Latchup Performance Exceeds 300 mA
• ESD Performance: HBM > 2000 V; Machine Model > 200 V
• Chip Complexity: 236 FETs or 59 Equivalent Gates
http://onsemi.com
MARKING
DIAGRAMS
SOIC–14
D SUFFIX
CASE 751A
14
8
VHC393
AWLYWW
1
7
TSSOP–14
DT SUFFIX
CASE 948G
14
8
VHC
393
AWLYWW
1
7
SOIC EIAJ–14
M SUFFIX
CASE 965
14
8
VHC393
ALYW
1
7
A
= Assembly Location
L, WL = Wafer Lot
Y
= Year
W, WW = Work Week
ORDERING INFORMATION
Device
Package Shipping
MC74VHC393D
MC74VHC393DT
SOIC–14 55 Units/Rail
TSSOP–14 96 Units/Rail
MC74VHC393DTR2 TSSOP–14 2500 Units/Reel
MC74VHC393M
MC74VHC393MEL
SOIC
EIAJ–14
SOIC
EIAJ–14
50 Units/Rail
2000 Units/Reel
© Semiconductor Components Industries, LLC, 2002
1
June, 2002 – Rev. 5
Publication Order Number:
MC74VHC393/D
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