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74ACT373B PDF даташит

Спецификация 74ACT373B изготовлена ​​​​«STMicroelectronics» и имеет функцию, называемую «OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT NON INVERTING».

Детали детали

Номер произв 74ACT373B
Описание OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT NON INVERTING
Производители STMicroelectronics
логотип STMicroelectronics логотип 

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74ACT373B Даташит, Описание, Даташиты
74ACT373
OCTAL D-TYPE LATCH
WITH 3 STATE OUTPUT NON INVERTING
s HIGH SPEED: tPD = 6 ns (TYP.) at VCC = 5V
s LOW POWER DISSIPATION:
ICC = 8 µA (MAX.) at TA = 25 oC
s COMPATIBLE WITH TTL OUTPUTS
VIH = 2V (MIN), VIL = 0.8V (MAX)
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) = 4.5V to 5.5V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 373
s IMPROVED LATCH-UP IMMUNITY
DESCRIPTION
The ACT373 is an advanced high-speed CMOS
OCTAL D-TYPE LATCH with 3 STATE OUTPUT
NON INVERTING fabricated with sub-micron
silicon gate and double-layer metal wiring C2MOS
technology. It is ideal for low power applications
mantaining high speed operation similar to
equivalent Bipolar Schottky TTL.
These 8 bit D-Type latch are controlled by a latch
enable input (LE) and an output enable input
BM
(Plastic Package)
(Micro Package)
ORDER CODES :
74ACT373B
74ACT373M
(OE).
While the LE inputs is held at a high level, the Q
outputs will follow the data input precisely or
inversely. When the LE is taken low, the Q
outputs will be latched precisely or inversely 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.
This device is designed to interface directly High
Speed CMOS systems with TTL and NMOS
components.
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
April 1997
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74ACT373B Даташит, Описание, Даташиты
74ACT373
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
1
2, 5, 6,
9, 12, 15,
16, 19
3, 4, 7,
8, 13, 14,
17, 18
11
10
20
SYMBOL
OE
Q0 to Q7
NAME AND FUNCTION
3 State Output Enable
Input (Active LOW)
Data Inputs
D0 to D7 3 State Outputs
LE
GND
VCC
Latch Enable
Input
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
IN PUT S
OE LE
D
HXX
LLX
LHL
LHH
X: DON’T CARE
Z: HIGH IMPEDANCE
*: Q OUTPUTS ARE LATCHED AT THE TIME WHEN THE LE INPUT IS TAKEN LOW LOGIC LEVEL.
OUTPUTS
Q
Z
NO CHANGE *
L
H
LOGIC DIAGRAMS
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74ACT373B Даташит, Описание, Даташиты
74ACT373
ABSOLUTE MAXIMUM RATINGS
Sy mb o l
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
Sy mb o l
P a ra met er
VCC Supply Voltage
VI Input Voltage
VO Output Voltage
Top Operating Temperature:
dt/dv Input Rise and Fall Time VCC = 4.5 to 5.5V (note 1)
1) VIN from 0.8 V to 2.0 V
V alu e
4.5 to 5.5
0 to VCC
0 to VCC
-40 to +85
8
Unit
V
V
V
oC
ns/V
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