74HC165D PDF даташит
Спецификация 74HC165D изготовлена «Toshiba» и имеет функцию, называемую «8-Bit Shift Register». |
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Детали детали
Номер произв | 74HC165D |
Описание | 8-Bit Shift Register |
Производители | Toshiba |
логотип |
12 Pages
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CMOS Digital Integrated Circuits Silicon Monolithic
74HC165D
74HC165D
1. Functional Description
• 8-Bit Shift Register (P-IN, S-OUT)
2. General
The 74HC165D is a high speed CMOS 8-BIT PARALLEL/SERIAL-IN, SERIAL-OUT SHIFT REGISTER
fabricated with silicon gate C2MOS technology.
It achieves the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power
dissipation.
It consists of parallel-in or serial-in, serial-out 8-bit shift register with a gated clock inputs. When the SHIFT/
LOAD input is held high, the serial data input is enabled and the eight frip-frops perform serial shifting with
each clock pulse.
When the SHIFT/LOAD input is held low, the parallel data is loaded synchronously into the register at positive
going transition of the clock pulse.
The CK-INH input should be shifted high only when the CK input is held high.
All inputs are equipped with protection circuits against static discharge or transient excess voltage.
3. Features
(1) High speed: fMAX = 56 MHz (typ.) at VCC = 5 V
(2) Low power dissipation: ICC = 4.0 µA (max) at Ta = 25
(3) Balanced propagation delays: tPLH ≈ tPHL
(4) Wide operating voltage range: VCC(opr) = 2.0 V to 6.0 V
4. Packaging
SOIC16
©2016 Toshiba Corporation
1
Start of commercial production
2016-05
2016-05-26
Rev.2.0
No Preview Available ! |
5. Pin Assignment
6. Marking
7. IEC Logic Symbol
74HC165D
©2016 Toshiba Corporation
2
2016-05-26
Rev.2.0
No Preview Available ! |
8. Truth Table
74HC165D
X: Don't care
a.....h: The level of steady state input voltage at inputs A through H respectively.
QAn to QGn: The level of QA to QG, respectively, before the most recent positive transition of the CK.
9. Timing Diagrams
©2016 Toshiba Corporation
3
2016-05-26
Rev.2.0
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