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What is 74ACT573?

This electronic component, produced by the manufacturer "STMicroelectronics", performs the same function as "OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT NON INVERTING".


74ACT573 Datasheet PDF - STMicroelectronics

Part Number 74ACT573
Description OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT NON INVERTING
Manufacturers STMicroelectronics 
Logo STMicroelectronics Logo 


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® 74ACT573
OCTAL D-TYPE LATCH
WITH 3 STATE OUTPUT NON INVERTING
s HIGH SPEED: tPD = 5 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 573
s IMPROVED LATCH-UP IMMUNITY
DESCRIPTION
The ACT573 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
(OE).
B
(Plastic Package)
ORDER CODES :
74ACT273B
74ACT273M
M
(Micro Package)
T
(TSSOP Package)
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
May 1999
1/11

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74ACT573 equivalent
74ACT573
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 , Input tr = tf =3 ns)
Symb ol
Parameter
tPLH Propagation Delay Time
tPHL LE to Q
tPLH Propagation Delay Time
tPHL D to Q
tPZL Output Enable Time
tPZH
tPLH Output Disable Time
tPHL
tw CK Pulse Width, HIGH
or LOW
ts Setup Time Q to CK
HIGH or LOW
th Hold Time Q to CK
HIGH or LOW
(*) Voltage range is 5V ± 0.5V
T est Con ditio n
VCC
(V)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
5.0(*)
Valu e
TA = 25 oC
-40 to 85 oC
Min. T yp. Max. Min. Max.
5.0 10.0
11.0
Unit
ns
5.0 10.0
11.0 ns
5.5 10.0
11.0 ns
6.5 11.0
12.0 ns
1.0 3.0
4.0 ns
0.0 2.0
3.0 ns
0.0 2.0
3.0 ns
CAPACITIVE CHARACTERISTICS
Symb ol
Parameter
Test Conditions
VCC
(V)
Valu e
TA = 25 oC
-40 to 85 oC
Min. T yp. Max. Min. Max.
Unit
COUT Output Capacitance
5.0
8 pF
CIN Input Capacitance
5.0
4 pF
CPD Power Dissipation
Capacitance (note 1)
5.0
25 pF
1) CPD isdefined as the value of the IC’sinternal equivalent capacitance which is calculated fromthe operating current consumption without load. (Referto
Test Circuit).Average operating current can be obtained by the following equation. ICC(opr) = CPD VCC fIN + ICC/n (per circuit)
5/11


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On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 74ACT573 electronic component.


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Featured Datasheets

Part NumberDescriptionMFRS
74ACT573The function is OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT NON INVERTING. STMicroelectronicsSTMicroelectronics
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74ACT573MTCThe function is Octal Latch with 3-STATE Outputs. Fairchild SemiconductorFairchild Semiconductor

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