Triple 3-input Positive NOR Gates
HD74LS27
Triple 3-input Positive NOR Gates
Features
• Ordering Information
Part Name
Package Type
Package Code Packa...
Description
HD74LS27
Triple 3-input Positive NOR Gates
Features
Ordering Information
Part Name
Package Type
Package Code Package (Previous Code) Abbreviation
HD74LS27P
DILP-14 pin
PRDP0014AB-B (DP-14AV)
P
HD74LS27FPEL SOP-14 pin (JEITA)
PRSP0014DF-B (FP-14DAV)
FP
Note: Please consult the sales office for the above package availability.
Pin Arrangement
REJ03D0403–0200 Rev.2.00
Feb.18.2005
Taping Abbreviation (Quantity) — EL (2,000 pcs/reel)
1A 1 1B 2 2A 3 2B 4 2C 5 2Y 6 GND 7
14 VCC 13 1C 12 1Y 11 3C 10 3B 9 3A 8 3Y
(Top view)
Rev.2.00, Feb.18.2005, page 1 of 4
HD74LS27
Circuit Schematic (1/3)
Inputs A B
C
20k 8k
VCC 75
20k 20k
4.5k Output Y
1.5k 3k
GND
Absolute Maximum Ratings
Item
Symbol
Ratings
Supply voltage
VCC
7
Input voltage
VIN 7
Power dissipation
PT 400
Storage temperature
Tstg –65 to +150
Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.
Recommended Operating Conditions
Item Supply voltage
Output curr...
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