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Toshiba Electronic Components Datasheet

TC74VHC9595FK Datasheet

8-Bit Shift Register/Latch

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TC74VHC9595FK
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74VHC9595FK
8-Bit Shift Register/Latch
The TC74VHC9595 is an advanced high speed 8-BIT SHIFT
REGISTER/LATCH fabricated with silicon gate C2MOS
technology.
TC74VHC9595 combines low power consumption of CMOS with
Schottky TTL speeds.
Shift operation is accomplished on the positive going transition of
the SCK input. The output register is loaded with the contents of
the shift register on the positive going transition of the RCK input.
Since RCK and SCK signal are independent, parallel outputs can
be held stable during the shift operation.
This register can be used in serial-to-parallel conversion, data
receivers, etc.
All the inputs have hysteresis between the positive-going and
negative-going thresholds. Thus the TC74VHC9595 is capable of
squaring up transitions of slowly changing input signals and
provides an improved noise immunity.
Additionally, all the inputs have a newly developed protection
circuit without a diode returned to VCC. This enables the inputs
to be tolerant of up to 5.5 volts even when power supply is down.
The input power-down protection capability makes the
TC74VHC9595 ideal for a wide range of applications, such as
interfacing between different voltages, voltage translation from 5
V to 3 V and battery back-up circuits.
A variant of the TC 74HC/VHC/AHC/LV595, the TC74VHC9595
contains negative-edge-triggered flip-flops to improve timing
margins that are affected by long wires or slowly changing clocks
when multiple parts are cascaded together.
Features
High speed: fmax = 224MHz (typ.) at VCC = 5 V
Low power dissipation: ICC = 4 µA (max) at Ta = 25°C
Power down protection is provided on all inputs.
Balanced propagation delays: tpLH ∼− tpHL
Wide operating voltage range: VCC (opr) = 2 V to 5.5 V
TC74VHC9595FK
Weight
VSSOP16-P-0030-0.50
: 0.02 g (typ.)
© 2018
1
Toshiba Electronic Devices & Storage Corporation
Start of commercial production
2011-03
2018-06-22


Toshiba Electronic Components Datasheet

TC74VHC9595FK Datasheet

8-Bit Shift Register/Latch

No Preview Available !

Pin Assignment
SCLR 1
SI 2
SCK 3
RCK 4
Q1 5
Q2 6
Q3 7
GND 8
(top view)
16 VCC
15 Q8C
14 Q8’
13 Q8
12 Q7
11 Q6
10 Q5
9 Q4
TC74VHC9595FK
Truth Table
SCLR
L
H
Inputs
SI
SCK
X
X
L
H
H
H
X
H
X
X
X
X
X
X: Don’t care
RCK
X
X
X
X
Function
Shift register is cleared.
First stage of S.R. becomes “L”. Other stages store the data of previous stage,
respectively.
First stage of S.R. becomes “H”. Other stages store the data of previous stage,
respectively.
Shift register is not changed. Q8C outputs store the data of previous stage,
respectively.
S.R. data is stored into storage register.
Storage register stage is not changed.
© 2018
2
Toshiba Electronic Devices & Storage Corporation
2018-06-22


Part Number TC74VHC9595FK
Description 8-Bit Shift Register/Latch
Maker Toshiba
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