M74HC393B1R STMicroelectronics, M74HC393B1R Datasheet - Page 2

• Manufacturer Part Number: M74HC393B1R
• Description: IC COUNTER DUAL BINARY 14-DIP
• Manufacturer: STMicroelectronics
• Series: 74HCr

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

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