U74HC165_15 [UTC]

8-BIT PARALLEL-LOAD SHIFT REGISTER;


型号：	U74HC165_15
厂家：	Unisonic Technologies
描述：	8-BIT PARALLEL-LOAD SHIFT REGISTER
文件：	总7页 (文件大小：276K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

UNISONIC TECHNOLOGIES CO., LTD

U74HC165

CMOS IC

8-BIT PARALLEL-LOAD SHIFT



DESCRIPTION

The U74HC165 is an 8-bit parallel-load shift register that,

SOP-16

when clocked, shifts the data toward a serial (Q_H) output.

Parallel-in access to each stage is provided by eight individual

direct data (A-H) inputs that are enabled by a low level at

shift/load (SH/ LD ) input. The U74HC165 also features a

clock-inhibit (CLK INH) function and a complementary serial ( Q_H)

output.

Clocking is accomplished by a low-to-high transition of the

TSSOP-16

clock (CLK) input while SH/LD is held high and CLK INH is held

low. The functions of CLK and CLK INH are interchangeable.

Since a low CLK and a low-to-high transition of CLK INH also

accomplish clocking, CLK INH should be changed to the high

level only while CLK is high. Parallel loading is inhibited when

SH/LD is held high. While SH/LD is low, the parallel inputs to

the register are enabled independently of the levels of the CLK,

CLK INH, or serial (SER) inputs.



FEATURES

* Complementary Outputs

* Direct Overriding Load (Data) Inputs

* Gated Clock Inputs

* Parallel-to-Serial Data Conversion



ORDERING INFORMATION

Ordering Number

Package

Packing

Lead Free

Halogen Free

U74HC165L-S16-T

U74HC165L-S16-R

U74HC165L-P16-T

U74HC165L-P16-R

U74HC165G-S16-T

U74HC165G-S16-R

U74HC165G-P16-T

U74HC165G-P16-R

SOP-16

Tube

Tape Reel

Tube

TSSOP-16

Tape Reel

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PIN CONFIGURATION



FUNCTION TABLE

INPUTS

FUNCTION

CLK

CLK INH

SH/LD

↑

Parallel load

No change

Shift↑

↑

Shift↑

↑ Shift=content of each internal register shifts toward serial output Q_H. Data at SER is shifted into the first register.



LOGIC SYMBOL

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LOGIC DIAGRAM (positive logic)



TYPICAL SHIFT, LOAD, AND INHIBIT SEQUENCE

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ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

V_CC

RATINGS

-0.5 ~ 7

±50

UNIT

Supply Voltage

V_CCor GND Current

Output Current

I_CC

°C

I_OUT

I_IK

±25

Input Clamp Current

Output Clamp Current

Storage Temperature

±20

I_OK

±20

T_STG

-65 ~ + 150

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.



THERMAL RESISTANCES

PARAMETER

SYMBOL

RATINGS

UNIT

°C/W

SOP-16

Junction to Ambient

θ_JA

TSSOP-16

110



RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

V_CC

TEST CONDITIONS

MIN TYP MAX UNIT

Supply Voltage

V_CC=2V

1.5

3.15

4.2

High-level Input Voltage

V_IH

V_IL

V_CC=4.5V

V_CC=6V

V_CC=2V

V_CC=4.5V

V_CC=6V

0.5

1.35

1.8

Low-level Input Voltage

Input Voltage

V_IN

V_CC

1000

500

400

+85

Output Voltage

V_OUT

V_CC=2V

V_CC=4.5V

V_CC=6V

Input Transition (Rise and Fall) Time

Operating Free-air Temperature

t_t

°C

T_A

-40



ELECTRICAL CHARACTERISTICS (T_A=25°C , unless otherwise specified)

PARAMETER

SYMBOL

V_OH

TEST CONDITIONS

V_CC=2V, I_OH=-20μA

MIN TYP MAX UNIT

1.9 1.998

V_CC=4.5V, I_OH=-20μA

V_CC=6V, I_OH=-20μA

V_CC=4.5V, I_OH=-4mA

V_CC=6V, I_OH=-5.2mA

V_CC=2V, I_OL=20μA

4.4 4.499

Output Voltage High-Level

Output Voltage Low-Level

5.9 5.999

3.98 4.3

5.48 5.8

0.002 0.1

V_CC=4.5V, I_OL=20μA

V_CC=6V, I_OL=20μA

0.001 0.1

0.17 0.26

0.15 0.26

V_OL

V_CC=4.5V, I_OL=4mA

V_CC=6V, I_OL=5.2mA

V_CC=6V, V_IN= V_CCor GND

V_CC=6V, V_IN=V_CCor GND, I_OUT=0

V_CC=2V to 6V

Input Leakage Current

Quiescent Supply Current

Input Capacitance

I_I(LEAK)

I_CC

±0.1 ±100 nA

μA

C_I



TIMING REQUIREMENTS (T_A=25°C , unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

V_CC=2V

MIN TYP MAX UNIT

Clock frequency

f_clock

V_CC=4.5V

V_CC=6V

MHz

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TIMING REQUIREMENTS(Cont.)

PARAMETER

SYMBOL

TEST CONDITIONS

V_CC=2V

MIN TYP MAX UNIT

V_CC=4.5V

V_CC=6V

SH/LD low

Pulse duration

Setup time

Hold time

t_w

V_CC=2V

CLK high or low

V_CC=4.5V

V_CC=6V

V_CC=2V

V_CC=4.5V

V_CC=6V

SH/LD high

before CLK↑

V_CC=2V

SER before CLK↑

V_CC=4.5V

V_CC=6V

V_CC=2V

100

CLK INH low

before CLK↑

t_SU

V_CC=4.5V

V_CC=6V

V_CC=2V

CLK INH high

before CLK↑

V_CC=4.5V

V_CC=6V

V_CC=2V

100

Data before

V_CC=4.5V

V_CC=6V

V_CC=2V

V_CC=4.5V

V_CC=6V

SH/LD ↓

SER data after

CLK↑

t_h

V_CC=2V

PAR data after

V_CC=4.5V

V_CC=6V

SH/LD ↓



SWITCHING CHARACTERISTICS (t_r= t_f= 6ns, C_L=50pF, T_A=25°C, unless otherwise specified)

PARAMETER

SYMBOL

V_CC

MIN TYP MAX UNIT

V_CC=2V

V_CC=4.5V

V_CC=6V

Minimum Frequency Response

f_max

V_CC=2V

150

Propagation delay from input

(SH/LD ) to output(QH or Q_H)

V_CC=4.5V

V_CC=6V

V_CC=2V

V_CC=4.5V

V_CC=6V

V_CC=2V

V_CC=4.5V

V_CC=6V

V_CC=2V

V_CC=4.5V

V_CC=6V

150

Propagation delay from input

(CLK) to output(QH or Q_H)

t_PD

150

Propagation delay from input

(H) to output(QH or Q_H)

To Output(Any)

t_t



OPERATING CHARACTERISTICS (T_A=25°C , unless otherwise specified)

PARAMETER

Power Dissipation Capacitance

SYMBOL

C_PD

TEST CONDITIONS

No load

MIN TYP MAX UNIT

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TEST CIRCUIT AND WAVEFORMS

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

TEST CIRCUIT AND WAVEFORMS(Cont.)

UTC assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or

other parameters) listed in products specifications of any and all UTC products described or contained

herein. UTC products are not designed for use in life support appliances, devices or systems where

malfunction of these products can be reasonably expected to result in personal injury. Reproduction in

whole or in part is prohibited without the prior written consent of the copyright owner. The information

presented in this document does not form part of any quotation or contract, is believed to be accurate

and reliable and may be changed without notice.

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