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74AC273M 반도체 회로 부품 판매점

OCTAL D-TYPE FLIP FLOP WITH CLEAR



STMicroelectronics 로고
STMicroelectronics
74AC273M 데이터시트, 핀배열, 회로
® 74AC273
OCTAL D-TYPE FLIP FLOP WITH CLEAR
PRELIMINARY DATA
s HIGH SPEED:
fMAX = 190 MHz (TYP.) at VCC = 5V
s LOW POWER DISSIPATION:
ICC = 8 µA (MAX.) at TA = 25 oC
s HIGH NOISE IMMUNITY:
VNIH = VNIL = 28% VCC (MIN.)
s 50TRANSMISSION LINE DRIVING
CAPABILITY
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 273
s IMPROVED LATCH-UP IMMUNITY
BM
(Plastic Package)
(Micro Package)
ORDER CODES :
74AC273B
74AC273M
operation similar to equivalent Bipolar Schottky
TTL.
Information signals applied to D inputs are
transfered to the Q output on the positive going
edge of the clock pulse.
When the CLEAR input is held low, the Q outputs
are held low independentely of the other inputs .
DESCRIPTION
All inputs and outputs are equipped with
The AC273 is a high-speed CMOS OCTwwAwL.DataSheet4pU.rcoomtection circuits against static discharge, giving
D-TYPE FLIP FLOP WITH CLEAR fabricated them 2KV ESD immunity and transient excess
with sub-micron silicon gate and double-layer voltage.
metal wiring C2MOS technology. It is ideal for low
power applications mantaining high speed
PIN CONNECTION AND IEC LOGIC SYMBOLS
November 1998
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74AC273M 데이터시트, 핀배열, 회로
74AC273
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
CLEAR
L
H
H
H
X:Don’t Care
INPUTS
D
X
L
H
X
LOGIC DIAGRAMS
CLOCK
X
PIN DESCRIPTION
PIN No
1
2, 5, 6, 9,
12, 15, 16,
19
3, 4, 7, 8,
13, 14, 17,
18
11
10
20
S YM BO L
CLEAR
Q0 to Q7
NAME AND FUNCTION
Asyncronous Master
Reset (Active LOW)
Flip-Flop Outpus
D0 to D7 Data Inputs
CLOCK
GND
VCC
Clock Input
(LOW-to-HIGH, Edge-
Triggered)
Ground (0V)
Positive Supply Voltage
OUTPUTS
Q
L
L
H
Qn
FUNCTION
CLEAR
NO CHANGE
Thislogic diagram has notbe used to esimate propagation delays
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