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74ACT20 반도체 회로 부품 판매점

DUAL 4-INPUT NAND GATE



STMicroelectronics 로고
STMicroelectronics
74ACT20 데이터시트, 핀배열, 회로
74ACT20
DUAL 4-INPUT NAND GATE
s HIGH SPEED: tPD = 5ns (TYP.) at VCC = 5V
s LOW POWER DISSIPATION:
ICC = 4µA(MAX.) at TA=25°C
s COMPATIBLE WITH TTL OUTPUTS
VIH = 2V (MIN.), VIL = 0.8V (MAX.)
s 50TRANSMISSION LINE DRIVING
CAPABILITY
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 24mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH tPHL
s OPERATING VOLTAGE RANGE:
VCC (OPR) = 4.5V to 5.5V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 20
s IMPROVED LATCH-UP IMMUNITY
DESCRIPTION
The 74ACT20 is an advanced high-speed CMOS
DUAL 4-INPUT NAND GATE fabricated with
sub-micron silicon gate and double-layer metal
wiring C2MOS tecnology.
The internal circuit is composed of 3 stages in-
cluding buffer output, which enables high noise
DIP
SOP
TSSOP
ORDER CODES
PACKAGE
DIP
SOP
TSSOP
TUBE
74ACT20B
74ACT20M
T&R
74ACT20MTR
74ACT20TTR
immunity and stable output.
The device is designed to interface directly High
Speed CMOS systems with TTL, NMOS and
CMOS output voltage levels.
All inputs and outputs are equipped with protec-
tion circuits against static discharge, giving them
2KV ESD immunity and transient excess voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
April 2001
1/8


74ACT20 데이터시트, 핀배열, 회로
74ACT20
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
1C 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
ABCDY
L XXXH
X LXXH
X X L XH
XXXLH
HHHH L
X : Don’t Care
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter²
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
°C
TL Lead Temperature (10 sec)
300 °C
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
VCC Supply Voltage
VI Input Voltage
VO Output Voltage
Top Operating Temperqture
dt/dv Input Rise and Fall Time VCC = 4.5 to 5.5V (note 1)
1) VIN from 0.8V to 2.0V
Value
4.5 to 5.5
0 to VCC
0 to VCC
-55 to 125
8
Unit
V
V
V
°C
ns/V
2/8




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74ACT20 gate

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