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Toshiba Electronic Components Datasheet

TC74VCX573FK Datasheet

Low-Voltage Octal D-Type Latch

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TC74VCX573FT/FK
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74VCX573FT, TC74VCX573FK
Low-Voltage Octal D-Type Latch with 3.6 V Tolerant Inputs and Outputs
The TC74VCX573 is a high performance CMOS octal D-type
latch which is guaranteed to operate from 1.2-V to 3.6-V. Designed
for use in 1.5V, 1.8 V, 2.5 V or 3.3 V systems, it achieves high
speed operation while maintaining the CMOS low power
dissipation.
It is also designed with over voltage tolerant inputs and outputs
up to 3.6 V.
This 8 bit D-type latch is controlled by a latch enable input (LE)
and an output enable input ( OE ).
When the OE input is high, the eight outputs are in a high
impedance state.
All inputs are equipped with protection circuits against static
discharge.
Features
Low voltage operation: VCC = 1.2 to 3.6 V
High speed operation: tpd = 4.2 ns (max) (VCC = 3.0 to 3.6 V)
tpd = 4.7 ns (max) (VCC = 2.3 to 2.7 V)
tpd = 9.4 ns (max) (VCC = 1.65 to 1.95 V)
tpd = 18.8 ns (max) (VCC = 1.4 to 1.6 V)
tpd = 47.0 ns (max) (VCC = 1.2 V)
3.6 V tolerant inputs and outputs.
Output current: IOH/IOL = ±24 mA (min) (VCC = 3.0 V)
IOH/IOL = ±18 mA (min) (VCC = 2.3 V)
IOH/IOL = ±6 mA (min) (VCC = 1.65 V)
IOH/IOL = ±2 mA (min) (VCC = 1.4 V)
Latch-up performance: 300 mA
ESD performance: Machine model ≥ ±200 V
Human body model ≥ ±2000 V
Package: TSSOP and VSSOP (US)
Power down protection is provided on all inputs and outputs.
TC74VCX573FT
TC74VCX573FK
Weight
TSSOP20-P-0044-0.65A
VSSOP20-P-0030-0.50
: 0.08 g (typ.)
: 0.03 g (typ.)
Start of commercial production
1998-06
1
2014-03-01


Toshiba Electronic Components Datasheet

TC74VCX573FK Datasheet

Low-Voltage Octal D-Type Latch

No Preview Available !

Pin Assignment (top view)
OE 1
D0 2
D1 3
D2 4
D3 5
D4 6
D5 7
D6 8
D7 9
GND 10
20 VCC
19 Q0
18 Q1
17 Q2
16 Q3
15 Q4
14 Q5
13 Q6
12 Q7
11 LE
TC74VCX573FT/FK
IEC Logic Level
(1)
OE
EN
(11)
LE
C1
(2)
D0
1D
(3)
D1
(4)
D2
(5)
D3
(6)
D4
(7)
D5
(8)
D6
(9)
D7
(19)
Q0
(18)
Q1
(17)
Q2
(16)
Q3
(15)
Q4
(14)
Q5
(13)
Q6
(12)
Q7
Truth Table
Inputs
OE
LE
D
H
X
X
L
L
X
L
H
L
L
H
H
Outputs
Z
Qn
L
H
X: Don’t care
Z: High impedance
Qn: Q outputs are latched at the time when the LE inputs is taken to a low logic level.
System Diagram
D0
2
D
D1
3
D
D2
4
D
D3
5
D
D4
6
D
D5
7
D
D6
8
D
D7
9
D
11
LE
1
OE
Q
Q
Q
Q
Q
Q
Q
Q
L
L
L
L
L
L
L
L
19
18
17
16
15
14
13
12
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
2
2014-03-01


Part Number TC74VCX573FK
Description Low-Voltage Octal D-Type Latch
Maker Toshiba
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TC74VCX573FK Datasheet PDF






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