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MC74HC393AN

更新时间: 2024-10-01 23:01:35
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 计数器
页数 文件大小 规格书
8页 243K
描述
Dual 4-Stage Binary Ripple Counter

MC74HC393AN 数据手册

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SEMICONDUCTOR TECHNICAL DATA  
J SUFFIX  
CERAMIC PACKAGE  
CASE 632–08  
14  
14  
High–Performance Silicon–Gate CMOS  
1
The MC54/74HC393A is identical in pinout to the LS393. The device  
inputs are compatible with standard CMOS outputs; with pullup resistors,  
they are compatible with LSTTL outputs.  
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.  
N SUFFIX  
PLASTIC PACKAGE  
CASE 646–06  
1
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 HC393A.  
D SUFFIX  
SOIC PACKAGE  
CASE 751A–03  
14  
1
DT SUFFIX  
TSSOP PACKAGE  
CASE 948G–01  
14  
Output Drive Capability: 10 LSTTL Loads  
Outputs Directly Interface to CMOS, NMOS, and TTL  
Operating Voltage Range: 2 to 6 V  
1
ORDERING INFORMATION  
Low Input Current: 1 µA  
High Noise Immunity Characteristic of CMOS Devices  
In Compliance with the Requirements Defined by JEDEC Standard  
No. 7A  
MC54HCXXXAJ  
Ceramic  
Plastic  
SOIC  
MC74HCXXXAN  
MC74HCXXXAD  
MC74HCXXXADT  
TSSOP  
Chip Complexity: 236 FETs or 59 Equivalent Gates  
PIN ASSIGNMENT  
LOGIC DIAGRAM  
CLOCK a  
RESET a  
1
2
3
4
14  
13  
12  
11  
V
CC  
CLOCK b  
RESET b  
3, 11  
Q1  
Q1  
Q2  
a
4, 10  
Q2  
Q3  
Q4  
1, 13  
2, 12  
Q1  
b
BINARY  
COUNTER  
a
CLOCK  
RESET  
5, 9  
6, 8  
Q3  
5
6
10  
9
Q2  
b
a
a
Q4  
Q3  
b
b
GND  
7
8
Q4  
PIN 14 = V  
CC  
PIN 7 = GND  
FUNCTION TABLE  
Inputs  
Clock  
Reset  
Outputs  
X
H
L
H
L
L
L
L
L
No Change  
No Change  
No Change  
Advance to  
Next State  
This document contains information on a product under development. Motorola reserves the right to change or discontinue this product without notice.  
10/95  
REV 0  
Motorola, Inc. 1995  

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