HD74LS221 Datasheet, PDF (3/9 Pages) Hitachi Semiconductor – Dual Monostable Multivibrators

HD74LS221
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Supply voltage
V_CC
7
V
Input voltage
V_IN
7
V
Power dissipation
P_T
400
mW
Storage temperature
Tstg
–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
Rate of rise or fall of Schmitt input, B
input pulse
Logic Input, A
Input pulse width
A or B
Clear
Setup time
External timing resistance
External timing capacitance
Duty cycle
R_T = 2 kΩ
R_T = 100 kΩ
Symbol
V_CC
I_OH
I_OL
T_opr
dV/dt
t_{w (in)}
t_{w (clear)}
t_su
R_ext
C_ext
Min
4.75
—
—
–20
1
1
40
40
15
1.4
0
—
—
Typ
5.00
—
—
25
—
—
—
—
—
—
—
—
—
Max
5.25
–400
8
75
—
—
—
—
—
100
1000
50
90
Unit
V
µA
mA
°C
V/s
V/µs
ns
ns
kΩ
µF
Electrical Characteristics
Item
A
Threshold
voltage
B
Output voltage
Symbol
V_T+
V_T–
V_T+
V_T–
V_OH
V_OL
I_IH
A
Input current
B, Clear
I_IL
I_I
Short-circuit output
current
I_OS
Supply current
I_CC
Input clamp voltage
V_IK
Note: * V_CC = 5 V, Ta = 25°C
min.
—
0.8
—
0.8
2.7
—
—
—
—
—
—
–20
—
—
—
typ.*
1.0
1.0
1.0
0.9
—
—
—
—
—
—
—
—
4.7
19
—
max.
2.0
—
2.0
—
—
0.4
0.5
20
–0.4
–0.8
0.1
–100
11
27
–1.5
Unit
V
V
V
V
V
V
µA
mA
mA
mA
mA
V
(Ta = –20 to +75 °C)
Condition
V_CC = 4.75 V
V_CC = 4.75 V
V_CC = 4.75 V
V_CC = 4.75 V
V_CC = 4.75 V, I_OH = –400 µA
I_OL = 4 mA
I_OL = 8 mA
V_CC = 4.75 V
V_CC = 5.25 V, V_I = 2.7 V
V_CC = 5.25 V, V_I = 0.4 V
V_CC = 5.25 V, V_I = 7 V
V_CC = 5.25 V
Ouiescent
Triggered ^{VCC = 5.25 V}
V_CC = 4.75 V, I_IN = –18 mA
Rev.3.00, Jul.15.2005, page 3 of 8