74LVQ273M PDF даташит
Спецификация 74LVQ273M изготовлена «STMicroelectronics» и имеет функцию, называемую «OCTAL D-TYPE FLIP FLOP WITH CLEAR». |
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Детали детали
Номер произв | 74LVQ273M |
Описание | OCTAL D-TYPE FLIP FLOP WITH CLEAR |
Производители | STMicroelectronics |
логотип |
10 Pages
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® 74LVQ273
OCTAL D-TYPE FLIP FLOP WITH CLEAR
s HIGH SPEED:
fMAX = 150 MHz (TYP.) at VCC = 3.3V
s COMPATIBLE WITH TTL OUTPUT
s LOW POWER DISSIPATION:
ICC = 4 µA (MAX.) at TA = 25 oC
s LOW NOISE:
VOLP = 0.4 V (TYP.) at VCC = 3.3V
s 75Ω TRANSMISSION LINE DRIVING
CAPABILITY
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 12 mA (MIN)
s PCI BUS LEVELS GUARANTEED AT 24mA
s BALANCED PROPAGATION DELAYS:
tPLH ≅ tPHL
s OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 3.6V (1.2V Data Retention)
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 273
s IMPROVED LATCH-UP IMMUNITY
DESCRIPTION
The LVQ273 is a low voltage CMOS OCTAL
D-TYPE FLIP FLOP WITH CLEAR fabricated
with sub-micron silicon gate and double-layer
metal wiring C2MOS technology. It is ideal for low
power and low noise 3.3V applications.
M
(Micro Package)
T
(TSSOP Package)
ORDER CODES :
74LVQ273M
74LVQ273T
Information signals applied to D inputs are
transfered to the Q outputs on the positive going
edge of the clock pulse.
When the CLEAR inputs is held low, the Q
outputs are held low independentely of the other
inputs .
It has better speed performance at 3.3V than 5V
LS-TTL family combined with the true CMOS low
power consumption.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
February 1999
1/10
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74LVQ273
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
CLEAR
L
H
H
H
X:Don’t Care
INPUTS
D
X
L
H
X
LOGIC DIAGRAM
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 Outputs
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
2/10
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74LVQ273
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 (note 1)
VI Input Voltage
VO Output Voltage
Top Operating Temperature:
dt/dv Input Rise and Fall Time (VCC = 3V) (note 2)
1) Truth Table guaranteed: 1.2V to 3.6V
2) VIN from 0.8V to 2V
Valu e
2 to 3.6
0 to VCC
0 to VCC
-40 to +85
0 to 10
Unit
V
V
V
oC
ns/V
3/10
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Номер в каталоге | Описание | Производители |
74LVQ273 | OCTAL D-TYPE FLIP FLOP WITH CLEAR | STMicroelectronics |
74LVQ273 | Low Voltage Octal D-Type Flip-Flop | Fairchild Semiconductor |
74LVQ273M | OCTAL D-TYPE FLIP FLOP WITH CLEAR | STMicroelectronics |
74LVQ273QSC | Low Voltage Octal D-Type Flip-Flop | Fairchild Semiconductor |
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DataSheet26.com | 2020 | Контакты | Поиск |