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HD74LS12
Triple 3-input Positive NAND Gates (with Open Collector Output)
REJ03D0398-0200 Rev.2.00 Feb.18.2005
Features
* Ordering Information
Part Name HD74LS12P Package Type DILP-14 pin Package Code (Previous Code) PRDP0014AB-B (DP-14AV) Package Abbreviation P Taping Abbreviation (Quantity) --
Note: Please consult the sales office for the above package availability.
Pin Arrangement
1A 1B 2A 2B 2C 2Y GND
1 2 3 4 5 6 7
14 13 12 11 10 9 8
VCC 1C 1Y 3C 3B 3A 3Y
(Top view)
Circuit Schematic (1/3)
VCC 20k Inputs A B C Output Y 8k
4.5k GND
Rev.2.00, Feb.18.2005, page 1 of 3
HD74LS12
Absolute Maximum Ratings
Item Supply voltage Input voltage Power dissipation Storage temperature Symbol VCC VIN PT Tstg Ratings 7 7 400 -65 to +150 Unit V V mW 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 VCC VOH IOL Topr Min 4.75 -- -- -20 Typ 5.00 -- -- 25 Max 5.25 5.5 8 75 Unit V V mA C
Electrical Characteristics
(Ta = -20 to +75 C)
Item Input voltage Output voltage Output current Input current Symbol VIH VIL VOL IOH IIH IIL II Supply current ICCH ICCL 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 A A mA mA mA mA V IOL = 8 mA IOL = 4 mA VCC = 4.75 V, VIH = 2 V Condition
Input clamp voltage VIK Note: * VCC = 5 V, Ta = 25C
VCC = 4.75 V, VIL = 0.8 V, VOH = 5.5 V VCC = 5.25 V, VI = 2.7 V VCC = 5.25 V, VI = 0.4 V VCC = 5.25 V, VI = 7 V VCC = 5.25 V VCC = 5.25 V VCC = 4.75 V, IIN = -18 mA
Switching Characteristics
(VCC = 5 V, Ta = 25C)
Item Propagation delay time Symbol tPLH tPHL min. -- -- typ. 17 15 max. 32 28 Unit ns ns Condition CL = 15 pF, RL = 2 k
Note: Refer to Test Circuit and Waveform of the Common Item "TTL Common Matter (Document No.: REJ27D00050100)".
Rev.2.00, Feb.18.2005, page 2 of 3
HD74LS12
Package Dimensions
JEITA Package Code P-DIP14-6.3x19.2-2.54 RENESAS Code PRDP0014AB-B Previous Code DP-14AV MASS[Typ.] 0.97g
D
14
8
1 b3
7
Z
E
Reference Symbol
Dimension in Millimeters Min Nom 7.62 19.2 6.3 20.32 7.4 5.06 0.51 0.40 0.48 1.30 0.19 0 2.29 2.54 0.25 0.31 15 2.79 2.39 2.54 0.56 Max
A
A1
e1 D E
L
A A1 bp
e
bp
e1
c
b3 c
e Z
( Ni/Pd/Au plating )
L
Rev.2.00, Feb.18.2005, page 3 of 3
Sales Strategic Planning Div.
Keep safety first in your circuit designs!
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(c) 2005. Renesas Technology Corp., All rights reserved. Printed in Japan.
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