HD74LS95B Datasheet, PDF (3/7 Pages) Hitachi Semiconductor – 4-bit Parallel Access Shift Registers

HD74LS95B
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Supply voltage
V_CC
7
V
Input voltage
V_IN
7
V
Power dissipation
Storage temperature
P_T
Tstg
400
mW
–65 to +150
°C
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
Setup time
Hold time
Enable time 1
Enable time 2
Inhibit time 1
Inhibit time 2
Symbol
V_CC
I_OH
I_OL
Topr
f_clock
t_{w (CK)}
t_su
t_h
t_{enable 1}
t_{enable 2}
t_{inhibit 1}
t_{inhibit 2}
Min
4.75
—
—
–20
0
20
20
10
20
20
20
20
Typ
5.00
—
—
25
—
—
—
—
—
—
—
—
Max
5.25
–400
8
75
25
—
—
—
—
—
—
—
Unit
V
µA
mA
°C
MHz
ns
ns
ns
ns
ns
ns
ns
Electrical Characteristics
(Ta = –20 to +75 °C)
Item
Symbol
min.
typ.* max.
Unit
Condition
Input voltage
Output voltage
Input current
Short-circuit output
current
V_IH
2.0
—
—
V
V_IL
—
—
0.8
V
V_OH
2.7
—
—
V
V_CC = 4.75 V, V_IH = 2 V, V_IL = 0.8 V,
I_OH = –400 µA
V_OL
—
—
—
0.4
—
0.5
V
I_OL = 4 mA
I_OL = 8 mA
V_CC = 4.75 V, V_IH = 2 V,
V_IL = 0.8 V
I_IH
—
—
20
µA V_CC = 5.25 V, V_I = 2.7 V
I_IL
—
—
–0.4
mA V_CC = 5.25 V, V_I = 0.4 V
I_I
—
—
0.1
mA V_CC = 5.25 V, V_I = 7 V
I_OS
–20
—
–100
mA V_CC = 5.25 V
Supply current**
I_CC
—
13
21
mA V_CC = 5.25 V
Input clamp voltage
V_IK
—
—
–1.5
V
V_CC = 4.75 V, I_IN = –18 mA
Notes: * V_CC = 5 V, Ta = 25°C
** I_CC is measured with all outputs and serial input open; A, B, C, and D inputs grounded; mode control at 4.5 V;
and momentary 3 V, then ground, applied both clock inputs.
Switching Characteristics
(V_CC = 5 V, Ta = 25°C)
Item
Symbol
min.
typ.
max.
Unit
Condition
Maximum clock frequency
f_max
25
36
—
MHz
Propagation delay time
t_PLH
—
18
27
ns
C_L = 15 pF, R_L = 2 kΩ
t_PHL
—
21
32
ns
Rev.4.00, May 10, 2006, page 3 of 6