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IK Semiconductor
IK Semiconductor

IN74HC573A Datasheet Preview

IN74HC573A Datasheet

Octal Transparent Latch

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IN74HC573A pdf
TECHNICAL DATA
IN74HC573A
Octal 3-State Noninverting
Transparent Latch
High-Performance Silicon-Gate CMOS
The IN74HC573A is identical in pinout to the LS/ALS573. The device
inputs are compatible with standard CMOS outputs; with pullup resistors,
they are compatible with LS/ALSTTL outputs.
These latches appear transparent to data (i.e., the outputs change
asynchronously) when LE is high. When LE goes low, data meeting the
setup and hold time becomes latched.
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1.0 µA
High Noise Immunity Characteristic of CMOS Devices
N SUFFIX
PLASTIC DIP
20
1
20
1
DW SUFFIX
SOIC
ORDERING INFORMATION
IN74HC573AN
Plastic DIP
IN74HC573ADW SOIC
TA = -55° to 125° C for all packages
LOGIC DIAGRAM
DATA
INPUTS
D0 2
D1 3
D2 4
D3 5
D4 6
D5 7
D6 8
D7 9
19 Q0
18 Q1
17 Q2
16 Q3
15 Q4
14 Q5
13 Q6
12 Q7
NON INVERTING
OUTPUTS
PIN ASSIGNMENT
OE
D0
D1
D2
D3
D4
D5
D6
D7
GND
1
2
3
4
5
6
7
8
9
10
20 V CC
19 Q0
18 Q1
17 Q2
16 Q3
15 Q4
14 Q5
13 Q6
12 Q7
11 LE
LE 11
OE 1
PIN 20=VCC
PIN 10 = GND
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FUNCTION TABLE
Inputs
Output
OE LE
D
Q
L HH
H
L HL
L
L L X no change
H XX
Z
H= high level
L = low level
X = don’t care
Z = high impedance
1



IK Semiconductor
IK Semiconductor

IN74HC573A Datasheet Preview

IN74HC573A Datasheet

Octal Transparent Latch

No Preview Available !

IN74HC573A pdf
IN74HC573A
MAXIMUM RATINGS*
Symbol
VCC
VIN
VOUT
IIN
IOUT
ICC
PD
Tstg
Parameter
DC Supply Voltage (Referenced to GND)
DC Input Voltage (Referenced to GND)
DC Output Voltage (Referenced to GND)
DC Input Current, per Pin
DC Output Current, per Pin
DC Supply Current, VCC and GND Pins
Power Dissipation in Still Air, Plastic DIP+
SOIC Package+
Storage Temperature
Value
-0.5 to +7.0
-1.5 to VCC +1.5
-0.5 to VCC +0.5
±20
±35
±75
750
500
-65 to +150
TL Lead Temperature, 1.5 mm from Case for 4 Seconds
(Plastic DIP or SOIC Package)
260
*Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation should be restricted to the Recommended Operating Conditions.
+Derating - Plastic DIP: - 10 mW/°C from 65° to 125°C
SOIC Package: : - 7 mW/°C from 65° to 125°C
Unit
V
V
V
mA
mA
mA
mW
°C
°C
RECOMMENDED OPERATING CONDITIONS
Symbol
VCC
VIN, VOUT
TA
tr, tf
Parameter
DC Supply Voltage (Referenced to GND)
DC Input Voltage, Output Voltage (Referenced to GND)
Operating Temperature, All Package Types
Input Rise and Fall Time (Figure 1)
VCC =2.0 V
VCC =4.5 V
VCC =6.0 V
Min Max Unit
2.0 6.0
V
0 VCC
-55 +125
V
°C
0 1000 ns
0 500
0 400
This device contains protection circuitry to guard against damage due to high static voltages or electric fields.
However, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to this
high-impedance circuit. For proper operation, VIN and VOUT should be constrained to the range GND(VIN or
VOUT)VCC.
Unused inputs must always be tied to an appropriate logic voltage level (e.g., either GND or VCC). Unused
outputs must be left open.
2


Part Number IN74HC573A
Description Octal Transparent Latch
Maker IK Semiconductor
Total Page 6 Pages
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