HEF4002B Datasheet
HEF4002B Datasheet (NXP Semiconductors)
NXP Semiconductors
The HEF4002B provides the positive dual 4-input NOR function. The outputs are fully buffered for highest noise immunity and pattern insensitivity of output impedance. HEF4002B gates Fig.2 Pinning di.
ate AC CHARACTERISTICS VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns VDD V Propagation delays In → On Output transition times HIGH to LOW 5 10 15 5 10 15 5 LOW to HIGH 10 15 tTLH tTHL tPHL; tPLH SYMBOL TYP. 60 25 20 60 30 20 60 30 20 MAX. 120 50 40 120 60 40 120 60 40 ns ns ns .
HEF4002B Datasheet (Nexperia)
Nexperia
The HEF4002B is a dual 4-input NOR gate. The outputs are fully buffered for highest noise immunity and pattern insensitivity to output impedance variations. It operates over a recommended VDD power s.
and benefits
* Fully static operation
* 5 V, 10 V, and 15 V parametric ratings
* Standardized symmetrical output characteristics
* Inputs and outputs are protected against electrostatic effects
* Specified from 40 C to +85 C
* Complies with JEDEC standard JESD 13-B
3. Ordering information
Table.