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74LVQ373T PDF даташит

Спецификация 74LVQ373T изготовлена ​​​​«STMicroelectronics» и имеет функцию, называемую «OCTAL D-TYPE LATCH WITH 3 STATE OUTPUTS NON INVERTING».

Детали детали

Номер произв 74LVQ373T
Описание OCTAL D-TYPE LATCH WITH 3 STATE OUTPUTS NON INVERTING
Производители STMicroelectronics
логотип STMicroelectronics логотип 

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74LVQ373T Даташит, Описание, Даташиты
® 74LVQ373
OCTAL D-TYPE LATCH
WITH 3 STATE OUTPUTS NON INVERTING
s HIGH SPEED: tPD = 6 ns (TYP.) at VCC = 3.3V
s COMPATIBLE WITH TTL OUTPUTS
s LOW POWER DISSIPATION:
ICC = 4 µA (MAX.) at TA = 25 oC
s LOW NOISE: VOLP = 0.4V (TYP.) at VCC = 3.3V
s 75TRANSMISSION LINE OUTPUT DRIVE
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 (1.2VData Retention)
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 373
s IMPROVED LATCH-UP IMMUNITY
DESCRIPTION
The LVQ373 is a low voltage CMOS OCTAL
D-TYPE LATCH with 3 STATE OUTPUTS NON
INVERTING 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.
These 8 bit D-Type latchs are controlled by a
latch enable input (LE) and an output enable
PIN CONNECTION AND IEC LOGIC SYMBOLS
M
(Micro Package)
T
(TSSOP Package)
ORDER CODES :
74LVQ373M
74LVQ373T
input (OE).
While the LE input is held at a high level, the Q
outputs will follow the data input precisely.
When the LE is taken low, the Q outputs will be
latched precisely at the logic level of D input data.
While the (OE) input is low, the 8 outputs will be
in a normal logic state (high or low logic level)
and while high level the outputs will be in a high
impedance state.
It has better speed performance at 3.3V than 5V
LS-TTL family combined with the true CMOS low
power consuption.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
February 1999
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74LVQ373T Даташит, Описание, Даташиты
74LVQ373
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
1
2, 5, 6, 9,
12, 15, 17,
18
3, 4, 7, 8,
13, 14, 17,
18
11
10
20
S Y M B OL
OE
D0 to D7
NAME AND FUNCTION
3 State Output Enable
Input (Active LOW)
Data Inputs
Q0 to Q7 3 State Outputs
LE
GND
VCC
Latch Enable
Input
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
IN PUT S
OE LE
HX
LL
LH
LH
X: Don’t care
Z: High impedance
* Q output are latched at the timewhen the LE input is taken low logic level.
D
X
X
L
H
OUTPUTS
Q
Z
NO CHANGE *
L
H
LOGIC DIAGRAM
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74LVQ373T Даташит, Описание, Даташиты
74LVQ373
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:
tr, tf 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
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Номер в каталогеОписаниеПроизводители
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74LVQ373MOCTAL D-TYPE LATCH WITH 3 STATE OUTPUTS NON INVERTINGSTMicroelectronics
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