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Toshiba Electronic Components Datasheet

TC74VHC9164FK Datasheet

8-Bit Shift Register

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TC74VHC9164FK
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74VHC9164FK
8-Bit Shift Register (Parallel-IN/ Serial-OUT, Serial -IN/ Parallel -OUT)
The TC74VHC9164 is an ultra-high-speed 8-Bit Shift Register
fabricated using silicon-gate CMOS technology. The
TC74VHC9164 combines low power consumption of CMOS with
Schottky TTL speeds.
The TC74VHC9164 has parallel data inputs/outputs, a serial
input and a serial output. It converts parallel data into serial data
or vice versa.
When P/S CONT is Low, Q/D1 to Q/D8 are configured as
parallel data outputs. At this time, the SI input is serially loaded on
the rising edges of CK and unloaded from the Q/D1 to Q/D8
outputs in parallel. When CLR/LOAD input is Low, all flip-flops are
asynchronously reset, irrespective of the CK state.
When P/S CONT is High, Q/D1 to Q/D8 are configured as
parallel data inputs. At this time, when CLR/LOAD is Low, Q/D1 to
Q/D8 latch data in parallel asynchronously from the CK input.
All the inputs have hysteresis between the positive-going and
negative-going thresholds. Thus the TC74VHC9164 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
TC74VHC9164 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.
TC74VHC9164FK
Weight
VSSOP16-P-0030-0.50
: 0.02 g (typ.)
Features
High speed: fmax 149 MHz (typ.) at VCC 5 V
Low power dissipation: ICC 4 A (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 to 5.5 V
© 2018
1
Toshiba Electronic Devices & Storage Corporation
Start of commercial production
2011-03
2018-06-22


Toshiba Electronic Components Datasheet

TC74VHC9164FK Datasheet

8-Bit Shift Register

No Preview Available !

Pin Assignment
TC74VHC9164FK
P/S CONT 1
2
SI 3
CK 4
Q/D1 5
Q/D2 6
Q/D3 7
GND 8
(top view)
t
16 VCC
15 Q8C
14 Q8’
13 Q/D8
12 Q/D7
11 Q/D6
10 Q/D5
9 Q/D4
Truth Table
Inputs
P/S CONT CLR/ LOAD
SI
L
X
X
L
L
X
L
H
L
L
H
H
L
H
X
H
X
X
H
L
X
H
H
L
H
H
H
H
H
X
X: Don’t care
Parallel
Outputs/Inputs
CK
Q/D1········Q/D8
Function
X
Q/D1 to Q/D8 are configured as parallel outputs.
X
Shift register is cleared.
Output- state
Parallel Outputs
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.
The shift register remains unchanged. The Q8C output
keeps the value of the previous flip-flop.
X
Q/D1 to Q/D8 are configured as parallel inputs.
X
Q/D1 to Q/D8 are latched into the shift register.
Input- state
Parallel Inputs
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.
The shift register remains unchanged. The Q8C output
keeps the value of the previous flip-flop.
© 2018
2
Toshiba Electronic Devices & Storage Corporation
2018-06-22


Part Number TC74VHC9164FK
Description 8-Bit Shift Register
Maker Toshiba
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