M74HC393B1R STMicroelectronics, M74HC393B1R Datasheet - Page 2
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M74HC393B1R
Manufacturer Part Number
M74HC393B1R
Description
IC COUNTER DUAL BINARY 14-DIP
Manufacturer
STMicroelectronics
Series
74HCr
Datasheet
1.M74HC393TTR.pdf
(11 pages)
Specifications of M74HC393B1R
Logic Type
Binary Counter
Direction
Up
Number Of Elements
2
Number Of Bits Per Element
4
Reset
Asynchronous
Count Rate
79MHz
Trigger Type
Negative Edge
Voltage - Supply
2 V ~ 6 V
Operating Temperature
-55°C ~ 125°C
Mounting Type
Through Hole
Package / Case
14-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Timing
-
Other names
497-1833-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
M74HC393B1R
Manufacturer:
STM
Quantity:
1 925
M74HC393
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
X : Don’t Care
2/11
CLOCK
X
INPUTS
COUNT
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
9
CLEAR
H
L
L
QD
QD
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
PIN DESCRIPTION
11, 10, 9, 8
3, 4, 5, 6
PIN No
1, 13
2, 12
QC
QC
14
H
H
H
H
H
H
H
H
7
L
L
L
L
L
L
L
L
L
NO CHANGE
COUNT UP
OUTPUTS
OUTPUTS
1QA to 1QD Flip Flop Outputs
2QA to 2QD Flip Flop Outputs
SYMBOL
1 CLOCK
2 CLOCK
1 CLEAR
2 CLEAR
GND
Vcc
QB
QB
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
Clock Input Divide by 2
Section (HIGH to LOW
Edge-Triggered)
Asynchronous Master
Reset Inputs
Ground (0V)
Positive Supply Voltage
NAME AND FUNCTION
QA
QA
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L