M74HC21 Datasheet, PDF (1/8 Pages) STMicroelectronics – DUAL 4-INPUT AND GATE

M74HC21
DUAL 4-INPUT AND GATE
s HIGH SPEED:
t_PD = 11ns (TYP.) at V_CC = 6V
s LOW POWER DISSIPATION:
I_CC = 1µA(MAX.) at T_A=25°C
s HIGH NOISE IMMUNITY:
V_NIH = V_NIL = 28 % V_CC (MIN.)
s SYMMETRICAL OUTPUT IMPEDANCE:
|I_OH| = I_OL = 4mA (MIN)
s BALANCED PROPAGATION DELAYS:
t_PLH ≅ t_PHL
s WIDE OPERATING VOLTAGE RANGE:
V_CC (OPR) = 2V to 6V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 21
DESCRIPTION
The M74HC21 is an high speed CMOS DUAL
4-INPUT AND GATE fabricated with silicon gate
C²MOS technology.
The internal circuit is composed of 3 stages
including buffer output, which enables high noise
immunity and stable output.
DIP
SOP
TSSOP
ORDER CODES
PACKAGE
TUBE
DIP
SOP
TSSOP
M74HC21B1R
M74HC21M1R
T&R
M74HC21RM13TR
M74HC21TTR
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
August 2001
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