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74AC20M 반도체 회로 부품 판매점

DUAL 4-INPUT NAND GATE



STMicroelectronics 로고
STMicroelectronics
74AC20M 데이터시트, 핀배열, 회로
74AC20
DUAL 4-INPUT NAND GATE
PRELIMINARY DATA
s HIGH SPEED: tPD = 4 ns (TYP.) at VCC = 5V
s LOW POWER DISSIPATION:
ICC = 4 µA (MAX.) at TA = 25 oC
s HIGH NOISE IMMUNITY:
VNIH = VNIL = 28% VCC (MIN.)
s 50TRANSMISSION LINE DRIVING
CAPABILITY
B
(Plastic Package)
M
(Micro Package)
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 24 mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH tPHL
s OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 6V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 20
s IMPROVED LATCH-UP IMMUNITY
ORDER CODES :
74AC20B
74AC20M
wiring C2MOS technology. It is ideal for low
power applications mantaining high speed
operation similar to equivalent Bipolar Schottky
TTL.
The internal circuit is composed of 3 stages
including buffer output, which enables high noise
immunity and stable output.
DESCRIPTION
All inputs and outputs are equipped with
The AC20 is an advanced high-speed CMOS protection circuits against static discharge, giving
DUAL 4-INPUT NAND GATE fabricated with themwww.DataSheet4U.com 2KV ESD immunity and transient excess
sub-micron silicon gate and double-layer metal voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
May 1997
1/7


74AC20M 데이터시트, 핀배열, 회로
74AC20
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
1, 9
2, 10
3, 11
5, 13
6, 8
7
14
SYMBOL
1A to 2A
1B to 2B
1C to 2C
1D to 2D
1Y to 2Y
GND
VCC
NAME AND FUNCTION
Data Inputs
Data Inputs
Data Inputs
Data Inputs
Data Outputs
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
ABCCY
LXXXH
X LXXH
XX LXH
XXX LH
HHHH L
ABSOLUTE MAXIMUM RATINGS
Sy mb o l
Parameter
Value
Unit
VCC Supply Voltage
-0.5 to +7
V
VI DC Input Voltage
-0.5 to VCC + 0.5
V
VO DC Output Voltage
-0.5 to VCC + 0.5
V
IIK DC Input Diode Current
± 20 mA
IOK DC Output Diode Current
± 20 mA
IO DC Output Current
± 50 mA
ICC or IGND DC VCC or Ground Current
± 100
mA
Tstg Storage Temperature
-65 to +150
oC
TL Lead Temperature (10 sec)
300 oC
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.
RECOMMENDED OPERATING CONDITIONS
Sy mb o l
Parameter
VCC Supply Voltage
VI Input Voltage
VO Output Voltage
Top Operating Temperature:
dt/dv Input Rise and Fall Time VCC = 3.0, 4.5 or 5.5 V(note 1)
1) VIN from 30% to 70% of VCC
Value
2 to 6
0 to VCC
0 to VCC
-40 to +85
8
Un it
V
V
V
oC
ns/V
2/7




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74AC20M gate

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