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74AC273M PDF даташит

Спецификация 74AC273M изготовлена ​​​​«STMicroelectronics» и имеет функцию, называемую «OCTAL D-TYPE FLIP FLOP WITH CLEAR».

Детали детали

Номер произв 74AC273M
Описание OCTAL D-TYPE FLIP FLOP WITH CLEAR
Производители STMicroelectronics
логотип STMicroelectronics логотип 

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74AC273M Даташит, Описание, Даташиты
® 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 Даташит, Описание, Даташиты
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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74AC273M Даташит, Описание, Даташиты
74AC273
ABSOLUTE MAXIMUM RATINGS
Symbol
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
± 400
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
Symbol
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% to70%of VCC
Valu e
2 to 6
0 to VCC
0 to VCC
-40 to +85
8
Unit
V
V
V
oC
ns/V
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