HD74LS93 Datasheet, PDF (3/9 Pages) Hitachi Semiconductor – 4-bit Binary Counters

HD74LS93
Block Diagram
Input A
Input B
R0(1)
R0(2)
J
Q
QA
CK
K
J
Q
QB
CK
K
J
Q
QC
CK
K
J
Q
QD
CK
K
Absolute Maximum Ratings
Item
Symbol
Ratings
Supply voltage
V_CC
7
Input voltage
R Inputs
V_IN
7
A, B Inputs
V_IN
5.5
Power dissipation
P_T
400
Storage temperature
Tstg
–65 to +150
Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.
Recommended Operating Conditions
Item
Supply voltage
Output current
Operating temperature
Count frequency
A input
B input
A input
Pulse width
B input
Reset input
Setup time
Symbol
V_CC
I_OH
I_OL
Topr
f_count
t_w
t_su
Min
4.75
—
—
–20
0
0
15
30
15
25
Typ
5.00
—
—
25
—
—
—
—
—
—
Max
5.25
–400
8
75
32
16
—
—
—
—
Unit
V
V
V
mW
°C
Unit
V
µA
mA
°C
MHz
ns
ns
Rev.2.00, Feb.18.2005, page 3 of 8