HD74LS163A Datasheet, PDF (3/12 Pages) Hitachi Semiconductor – Synchronous 4-bit Binary Counters(synchronous clear)

HD74LS163A
Absolute Maximum Ratings
Item
Symbol
Ratings
Supply voltage
V_CC
7
Input voltage
V_IN
7
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
Clock frequency
Clock pulse width
Clear pulse width
A, B, C, D
Setup time
Enable P, T
Load
Clear
Hold time
Symbol
V_CC
I_OH
I_OL
Topr
ƒ_clock
t_{w (clock)}
t_{w (clear)}
t_su
t_h
Min
4.75
—
—
–20
0
25
20
20
20
20
20
3
Typ
5.00
—
—
25
—
—
—
—
—
—
—
—
Max
5.25
–400
8
75
25
—
—
—
—
—
—
—
Typical Clear, Preset, and Inhibit Sequence
Clear
Load
A
Data
B
Inputs
C
D
Clock
Enable P
Enable T
QA
QB
Outputs
QC
QD
Carry
12 13 14 15 0 1 2
Count
Clear Preset
Inhibit
Unit
V
V
mW
°C
Unit
V
µA
mA
°C
MHz
ns
ns
ns
ns
ns
ns
ns
Rev.2.00, Feb.18.2005, page 3 of 11