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HD74LS21 Datasheet, PDF (2/5 Pages) Hitachi Semiconductor – Dual 4-input Positive AND Gates | |||
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HD74LS21
Absolute Maximum Ratings
Item
Symbol
Ratings
Supply voltage
VCC
7
Input voltage
VIN
7
Power dissipation
PT
400
Storage temperature
Tstg
â65 to +150
Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.
Recommended Operating Conditions
Item
Supply voltage
Output current
Operating temperature
Symbol
VCC
IOH
IOL
Topr
Min
4.75
â
â
â20
Typ
5.00
â
â
25
Max
5.25
â400
8
75
Unit
V
V
mW
°C
Unit
V
µA
mA
°C
Rev.2.00, Feb.18.2005, page 2 of 4
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