74HCHCT21 Datasheet, PDF (5/6 Pages) NXP Semiconductors – Dual 4-input AND gate

Philips Semiconductors
Dual 4-input AND gate
Product specification
74HC/HCT21
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
I_CC category: SSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t_r = t_f = 6 ns; C_L = 50 pF
T_amb (°C)
SYMBOL PARAMETER
74HC
+25
−40 to+85
min. typ. max. min. max.
t_PHL/ t_PLH propagation delay
33 110
140
nA, nB, nC, nD to nY
12 22
28
10 19
24
t_THL/ t_TLH output transition time
19 75
95
7 15
19
6 13
16
UNIT
−40 to+125
min. max.
165 ns
33
28
110 ns
22
19
TEST CONDITIONS
V_CC ^WAVEFORMS
(V)
2.0 Fig.6
4.5
6.0
2.0 Fig.6
4.5
6.0
December 1990
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