HD74LS54 Datasheet, PDF (2/4 Pages) Hitachi Semiconductor – 4-wide 2-input, 3-input AND-OR-INVERT Gates

HD74LS54
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
Symbol
Min
Typ
Max
Unit
Vcc
4.75
5.00
5.25
V
I_OH
—
—
–400
µA
I_OL
—
—
8
mA
Topr
–20
25
75
°C
Electrical Characteristics
Item
Input voltage
Output voltage
Symbol
V_IH
V_IL
V_OH
V_OL
I_IH
Input current
I_IL
I_I
Short-circuit output
current
I_OS
Supply current
I_CCH
I_CCL
Input clamp voltage
V_IR
Note: * V_CC = 5 V, Ta = 25°C
min.
2.0
—
2.7
—
—
—
—
—
–20
—
—
—
typ.*
—
—
—
—
—
—
—
—
—
0.8
1.0
—
max.
—
0.8
—
0.5
0.4
20
–0.4
0.1
–100
1.6
2.0
–1.5
Unit
V
V
V
V
µA
mA
mA
mA
mA
mA
V
(Ta = –20 to +75 °C)
Condition
V_CC = 4.75 V, V_IL = 0.8 V, I_OH = –400 µA
I_OL = 8 mA
I_OL = 4 mA
V_CC = 4.75 V, V_IH = 2 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
V_CC = 5.25 V
V_CC = 5.25 V
V_CC = 4.75 V, I_IN = –18 mA
Switching Characteristics
(V_CC = 5 V, Ta = 25°C)
Item
Symbol
min.
typ.
max.
Unit
Condition
Propagation delay time
t_PLH
—
12
20
t_PHL
—
12.5
20
ns
ns
C_L = 15 pF, R_L = 2 kΩ
Note: Refer to Test Circuit and Waveform of the Common Item "TTL Common Matter (Document No.: REJ27D0005-
0100)".
Rev.2.00, Feb.18.2005, page 2 of 3