HD74LS12 Datasheet, PDF (2/4 Pages) Hitachi Semiconductor – Triple 3-input Positive NAND Gates(with Open Collector Outputs)

HD74LS12
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
400
mW
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 voltage
Output current
Operating temperature
Symbol
V_CC
V_OH
I_OL
Topr
Min
4.75
—
—
–20
Typ
5.00
—
—
25
Max
5.25
5.5
8
75
Unit
V
V
mA
°C
Electrical Characteristics
Item
Input voltage
Symbol
V_IH
V_IL
Output voltage
V_OL
Output current
I_OH
I_IH
Input current
I_IL
I_I
Supply current
I_CCH
I_CCL
Input clamp voltage
V_IK
Note: * V_CC = 5 V, Ta = 25°C
min.
2.0
—
—
—
—
—
—
—
—
—
—
typ.*
—
—
—
—
—
—
—
—
0.7
1.8
—
max.
—
0.8
0.5
0.4
100
20
–0.4
0.1
1.4
3.3
–1.5
Unit
V
V
V
µA
µA
mA
mA
mA
mA
V
(Ta = –20 to +75 °C)
Condition
I_OL = 8 mA
I_OL = 4 mA
V_CC = 4.75 V, V_IH = 2 V
V_CC = 4.75 V, V_IL = 0.8 V, V_OH = 5.5 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 = 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
—
t_PHL
—
17
15
32
28
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