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PDF M54HC21 Data sheet ( Hoja de datos )
| Número de pieza | M54HC21 | |
| Descripción | DUAL 4-INPUT AND GATE | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de M54HC21 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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. HIGH SPEED
tPD = 10 ns (TYP.) AT VCC = 5 V
. LOW POWER DISSIPATION
ICC = 1 µA (MAX.) AT TA = 25 °C
. HIGH NOISE IMMUNITY
VNIH = VNIL = 28% VCC (MIN.)
. OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
. SYMMETRICAL OUTPUT IMPEDANCE
IOH = IOL = 4 mA (MIN.)
. BALANCED PROPAGATION DELAYS
tPLH = tPHL
. WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2 V TO 6 V
. PIN AND FUNCTION COMPATIBLE
WITH 54/74LS21
DESCRIPTION
The M54/74HC21 is a high speed CMOS DUAL 4-
INPUT AND GATE fabricated in silicon gate C2MOS
technology. It has the same high speed perform-
ance of LSTTL combined with true CMOSlow power
consumption.
The internal circuits is composed of 3 stages includ-
ing buffered output, which gives high noise immunity
and a stable output.
All inputs are equipped with protection circuits
against static discharge and transient excess volt-
age.
INPUT AND OUTPUT EQUIVALENT CIRCUIT
M54HC21
M74HC21
DUAL 4-INPUT AND GATE
B1R
(Plastic Package)
F1R
(Ceramic Package)
M 1R
(Micro Package)
C1R
(Chip Carrier)
ORDER CODES :
M54HC21F1R
M 74H C2 1M 1R
M 74HC 21 B1 R
M 74H C2 1C 1R
PIN CONNECTIONS (top view)
December 1992
NC =
No Internal
Connection
1/9
1 page  
DIM.
a1
B
b
b1
D
E
e
e3
F
I
L
Z
M54/M74HC21
Plastic DIP14 MECHANICAL DATA
MIN.
0.51
1.39
1.27
mm
TYP.
0.5
0.25
8.5
2.54
15.24
3.3
MAX.
1.65
20
7.1
5.1
2.54
MIN.
0.020
0.055
0.050
inch
TYP.
0.020
0.010
0.335
0.100
0.600
0.130
MAX.
0.065
0.787
0.280
0.201
0.100
P001A
5/9
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet M54HC21.PDF ] | |
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