These devices contain two independent 4-input AND gates. They perform the Boolean functions Y = A \x95 B \x95 C \x95 D or in positive logic.
The SN54F21 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74F21 is characterized for operation from 0°C to 70°C.
|Part number||Order||Technology Family||VCC (Min) (V)||VCC (Max) (V)||Channels (#)||Inputs per channel||IOL (Max) (mA)||IOH (Max) (mA)||Input type||Output type||Features||Data rate (Max) (Mbps)||Rating||Operating temperature range (C)||Package size: mm2:W x L (PKG)||Package Group|
||F||4.5||5.5||2||4||20||-1||Bipolar||Push-Pull||Very High Speed (tpd 5-10ns)||70||Catalog||0 to 70||
14PDIP: 181 mm2: 9.4 x 19.3 (PDIP | 14)
14SOIC: 52 mm2: 6 x 8.65 (SOIC | 14)
PDIP | 14
SOIC | 14