HD74LS174 Datasheet, PDF (4/9 Pages) Hitachi Semiconductor – Hex/Quadruple D-type Flip-Flips(with clear)

HD74LS174 / HD74LS175
Recommended Operating Conditions
• HD74LS174
Item
Supply voltage
Output current
Operating temperature
Clock frequency
Clock pulse width
Clear pulse width
Data input
Setup time
Clear inactive-
state
Data hold time
Symbol
V_CC
I_OH
I_OL
T_opr
ƒ_clock
t_{w (CK)}
t_{w (CLR)}
t_{su (data)}
t_{su (CLR)}
t_{h (data)}
• HD74LS175
Item
Supply voltage
Output current
Operating temperature
Clock frequency
Clock pulse width
Clear pulse width
Data input
Setup time
Clear inactive-
state
Data hold time
Symbol
V_CC
I_OH
I_OL
T_opr
ƒ_clock
t_{w (CK)}
t_{w (CLR)}
t_{su (data)}
t_{su (CLR)}
t_{h (data)}
Min
4.75
—
—
–20
0
20
20
20
25
5
Min
4.75
—
—
–20
0
20
20
20
25
5
Typ
5.00
—
—
25
—
—
—
—
—
—
Typ
5.00
—
—
25
—
—
—
—
—
—
Max
5.25
–400
8
75
30
—
—
—
—
—
Max
5.25
–400
8
75
30
—
—
—
—
—
Unit
V
µA
mA
°C
MHz
ns
ns
ns
ns
ns
Unit
V
µA
mA
°C
MHz
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
—
—
0.5
V
I_OL = 8 mA V_CC = 4.75 V, V_IH = 2 V,
—
—
0.4
I_OL = 4 mA ^VIL ^{= 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**
—
16
26
mA HD74LS174
I_CC
—
11
18
HD74LS175 ^{VCC = 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
** With all outputs open and 4.5 V applied to all data and cleat inputs, I_CC is measured after a momentary
grounded, then 4.5 V, is applied to clock.
Rev.3.00, Jul.15.2005, page 4 of 8