HD74AC194 Datasheet, PDF (5/11 Pages) Hitachi Semiconductor – 4-bit Bidirectional Unviersal Shift Register

HD74AC194
AC Characteristics: HD74AC194
Item
Maximum clock
frequency
Symbol
f _max
V_CC (V)*¹
3.3
5.0
Ta = +25°C
C_L = 50 pF
Min Typ
7.5
—
100 —
Propagation delay
t _PLH
3.3
1.0
—
CP to Q_n
5.0
1.0
—
Propagation delay
t _PHL
3.3
1.0
—
CP to Q_n
5.0
1.0
—
Propagation delay
t _PHL
3.3
1.0
—
MR to Q_n
5.0
1.0
—
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
Max
13.0
10.0
13.0
10.0
10.5
8.0
Ta = –40°C to +85°C
C_L = 50 pF
Min
Max
65
85
1.0
15.0
1.0
11.5
1.0
15.0
1.0
11.5
1.0
12.5
1.0
9.0
Unit
MHz
ns
ns
ns
AC Operating Requirements: HD74AC194
Item
Setup time, HIGH or LOW
Pn or D_SR or D_SL to CP
Hold time, HIGH or LOW
Pn or D_SR or D_SL to CP
Setup time, HIGH or LOW
S_n to CP
Hold time, HIGH or LOW
S_n to CP
Recovery time
MR to CP
Symbol
t _su
Ta = +25°C
C_L = 50 pF
V_CC (V)*¹ Typ
3.3
—
5.0
—
t_h
3.3
—
5.0
—
t _su
3.3
—
5.0
—
t_h
3.3
—
5.0
—
t _rec
3.3
—
5.0
—
Pulse width
t_w
3.3
—
5.0
—
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
Ta = –40°C
to +85°C
C_L = 50 pF
Guaranteed Minimum
5.5
7.0
4.0
5.0
2.0
3.0
1.5
2.0
6.0
7.5
4.5
5.5
0.0
0.0
0.0
0.0
0.5
0.5
0.5
0.5
5.5
7.0
4.5
5.0
Unit
ns
ns
ns
ns
ns
ns
5