NTE9946 NTE | Alldatasheet
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NTE9946 & NTE9949 Integrated Circuit DTL, Quad, 2−Input NAND Gate Description: The NTE9946 and NTE9949 are DTL integrated circuits in a 14−Lead DIP type package consisting of four 2−input NAND gate circuits. These devices can be used as dual 2−input non−inverting gates or as two bistable circuits when two dual 2−input gates are cross−coupled. Features: /C0068Pull−Up Resistor: NTE9946 − 6kΩ NTE9949 − 2kΩ Logic Diagram Pin Connection Diagram VCC GND 8 F2 Positive Logic: 3 = 1 /C0015 2 Negative Logic: 3 = 1 + 2 Input Loading Factor: 1 Output Loading Factor: NTE9946 = 8 NTE9949 = 7 Total Power Dissipation: Inputs Low = 24mW Inputs High: NTE9946 = 52mW NTE9949 = 84mW 50% Duty Cycle: NTE9946 = 38mW NTE9949 = 54mW Propagation Delay Time: NTE9946 = 30ns Typ NTE9949 = 25ns Typ Note 1. NTE9946 is a discontinued device and no longer available.
.300 (7.62) .200 (5.08) Max .600 (15.24) .785 (19.95) Max
Electrical Characteristics: (TA = +25°C unless otherwise specified) Test Current/Voltage Values at TA = +25°C mA Volts IOL IOH VIL VIH VF VR VCEX VCC VCCL VCCH Vmax 9946 9949 9946 9949 Test Current/Voltage Applied to Pins Listed Below Parameter Symbol Min Max Unit IOL IOH VIL VIH VF VR VCEX VCC VCCL VCCH Vmax GND Output Voltage VOL − 0.45 V 3 − − 1,2 − − − − 14 − − 7 Short−Circuit Current NTE9946 ISC Reverse Current IR − 5.0 μA − − − − − 1 − − − 14 − 2,7 Output Leakage Current ICEX − 100 μA − − − − − − 3, 14 − − − − 1, 7 Forward Current IF − −1.40 mA − − − − 1 2 − − − 14 − 7 Power Drain Current (Total Device) Switching Times Pulse In Pulse Out NTE9946 t pd+ 25 80 ns 1 3 − − − − − 14 − − − 7 NTE9949 tpd+ 15 60 ns 1 3 − − − − − 14 − − − 7 Note 1. Pins not listed are left open.