HD74HC595 [HITACHI]

8-bit Shift Register/Latch (with 3-state outputs); 8位移位寄存器/锁存（ 3态输出）


型号：	HD74HC595
厂家：	HITACHI SEMICONDUCTOR
描述：	8-bit Shift Register/Latch (with 3-state outputs) 8位移位寄存器/锁存（ 3态输出）移位寄存器
文件：	总10页 (文件大小：60K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

HD74HC595

8-bit Shift Register/Latch (with 3-state outputs)

Description

This device each contains an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage

output pins for cascading.

Both the shift register and storage register clocks are positive-edge triggered. If the user wishes to connect

both clocks together, the shift register state will always be one clock pulse ahead of the storage register.

Features

•

High Speed Operation: t_pd(RCK to Q) = 17 ns typ (C_L= 50 pF)

High Output Current: Fanout of 15 LSTTL Loads (Q_Ato Q_Houtputs)

Wide Operating Voltage: V_CC= 2 to 6 V

Low Input Current: 1 µA max

Low Quiescent Supply Current: I_CC(static) = 4 µA max (Ta = 25°C)

Function Table

RCK

SCK

SCLR

Function

Q_Ato Q_Hhigh impedance

Shift register cleared Q_H’ = L

Shift register clocked Q_n= Q_{n – 1}, Q_A= SER

Contents of shift register transferred to output latches

HD74HC595

Pin Arrangement

VCC

15 QA

SER

RCK

SCK

SCLR

QH'

GND 8

(Top view)

Absolute Maximum Ratings

Item

Symbol

V_CC

Rating

Unit

Supply voltage range

Input voltage

–0.5 to +7.0

–0.5 to V_CC+ 0.5

±35

V_IN

Output voltage

V_OUT

I_OUT

I_CC, I_GND

I_IK

Output current

°C

DC current drain per V_CC, GND

DC input diode current

DC output diode current

Power dissipation per package

Storage Temperature

±75

±20

I_OK

±20

P_T

500

Tstg

–65 to +150

HD74HC595

Logic Diagram

RCK

SER

SCK

SCLR

QH'

HD74HC595

DC Characteristics

Ta = –40 to

Ta = 25°C

+85°C

Item

Symbol V_CC(V) Min Typ Max Min Max Unit Test Conditions

Input voltage

V_IH

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

4.5

6.0

2.0

4.5

6.0

4.5

6.0

2.0

4.5

6.0

4.5

6.0

2.0

4.5

6.0

4.5

6.0

1.5

—

0.5

1.5

3.15

4.2

—

3.15 —

—

4.2

—

V_IL

0.5

1.35

1.8

—

1.35 —

1.8

—

Output voltage

V_OH

1.9 2.0

4.4 4.5

5.9 6.0

4.18 —

5.68 —

1.9

4.4

5.9

4.13

5.63

—

Q_Ato Q_H

I_OH= –20 µA

—

Vin = V_IHor V_IL

—

I_OH= –6 mA

I_OH= –7.8 mA

I_OL= 20 µA

—

V_OL

V_OH

V_OL

—

0.0 0.1

0.1

0.33

—

Q_Ato Q_H

—

Vin = V_IHor V_IL

—

0.26 —

I_OL= 6 mA

I_OL= 7.8 mA

I_OH= –20 µA

Output voltage

1.9 2.0

4.4 4.5

5.9 6.0

4.18 —

5.68 —

—

1.9

4.4

5.9

4.13

5.63

—

Q’_H

—

Vin = V_IHor V_IL

—

I_OH= –4 mA

I_OH= –5.2 mA

I_OL= 20 µA

—

0.0 0.1

0.1

0.33

Q’_H

—

Vin = V_IHor V_IL

—

0.26 —

I_OL= 4 mA

I_OL= 5.2 mA

Off-state output

current

I_OZ

Iin

±0.5 —

±5.0 µA

Vin = V_IHor V_IL,

Vout = V_CCor GND

Input current

6.0

—

±0.1 —

±1.0 µA

Vin = V_CCor GND

Quiescent supply I_CC

current

4.0

—

µA

Vin = V_CCor GND, Iout = 0 µA

HD74HC595

AC Characteristics (C_L= 50 pF, Input t_r= t_f= 6 ns)

Ta = –40 to

+85°C

Ta = 25°C

Symbol V_CC(V) Min Typ Max Min Max Unit Test Conditions

Item

Maximum clock

frequency

f_max

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

—

MHz

Propagation delay t_PLH

115 —

145 ns

SCK to Q_H’

RCK to Q

time

t_PHL

12 23

—

t_PLH

t_PHL

150 —

190 ns

17 30

—

t_PLH

175 —

220 ns

SCLR to Q_H’

20 35

—

Output enable

time

t_ZL

t_ZH

150 —

190 ns

13 30

—

Output disable

time

t_LZ

t_HZ

150 —

190 ns

15 30

—

Setup time

t_su

100 —

125

—

SER to SCK

SCK to RCK

—

200 —

250

—

Pulse width

t_w

100

—

Removal time

t_rem

100 —

125

—

HD74HC595

AC Characteristics (C_L= 50 pF, Input t_r= t_f= 6 ns) (cont)

Ta = –40 to

Ta = 25°C

+85°C

Item

Symbol V_CC(V) Min Typ Max Min Max Unit Test Conditions

Hold time

t_h

2.0

4.5

6.0

2.0

4.5

6.0

2.0

4.5

6.0

—

Output rise/fall

time

t_TLH

t_THL

—

Q_H’

—

Input capacitance Cin

Unit: mm

19.20

20.00 Max

1.3

1.11 Max

7.62

+ 0.13

– 0.05

0.25

2.54 ± 0.25

0.48 ± 0.10

0° – 15°

Hitachi Code

DP-16

JEDEC

EIAJ

Conforms

Weight (reference value) 1.07 g

Unit: mm

10.06

10.5 Max

+ 0.20

7.80

– 0.30

0.80 Max

1.15

0° – 8°

1.27

0.70 ± 0.20

*0.42 ± 0.08

0.40 ± 0.06

0.15

0.12

Hitachi Code

JEDEC

EIAJ

FP-16DA

—

Conforms

*Dimension including the plating thickness

Base material dimension

Weight (reference value) 0.24 g

Unit: mm

9.9

10.3 Max

1.27

+ 0.10

6.10

– 0.30

1.08

0.635 Max

0° – 8°

+ 0.67

0.60

– 0.20

*0.42 ± 0.08

0.40 ± 0.06

0.15

0.25

Hitachi Code

JEDEC

EIAJ

FP-16DN

Conforms

*Dimension including the plating thickness

Base material dimension

Weight (reference value) 0.15 g

Cautions

1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent,

Hitachi bears no responsibility for problems that may arise with third party’s rights, including

intellectual property rights, in connection with use of the information contained in this document.

2. Products and product specifications may be subject to change without notice. Confirm that you have

received the latest product standards or specifications before final design, purchase or use.

3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However,

contact Hitachi’s sales office before using the product in an application that demands especially high

quality and reliability or where its failure or malfunction may directly threaten human life or cause risk

of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation,

traffic, safety equipment or medical equipment for life support.

4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly

for maximum rating, operating supply voltage range, heat radiation characteristics, installation

conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used

beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable

failure rates or failure modes in semiconductor devices and employ systemic measures such as fail-

safes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other

consequential damage due to operation of the Hitachi product.

5. This product is not designed to be radiation resistant.

6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without

written approval from Hitachi.

7. Contact Hitachi’s sales office for any questions regarding this document or Hitachi semiconductor

products.

Hitachi, Ltd.

Semiconductor & Integrated Circuits.

Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan

Tel: Tokyo (03) 3270-2111 Fax: (03) 3270-5109

URL

NorthAmerica

Europe

: http:semiconductor.hitachi.com/

: http://www.hitachi-eu.com/hel/ecg

Asia (Singapore)

Asia (Taiwan)

: http://www.has.hitachi.com.sg/grp3/sicd/index.htm

: http://www.hitachi.com.tw/E/Product/SICD_Frame.htm

Asia (HongKong) : http://www.hitachi.com.hk/eng/bo/grp3/index.htm

Japan

: http://www.hitachi.co.jp/Sicd/indx.htm

For further information write to:

Hitachi Semiconductor

(America) Inc.

Hitachi Europe GmbH

Hitachi Asia (Hong Kong) Ltd.

Group III (Electronic Components)

7/F., North Tower, World Finance Centre,

Harbour City, Canton Road, Tsim Sha Tsui,

Kowloon, Hong Kong

Tel: <852> (2) 735 9218

Fax: <852> (2) 730 0281

Hitachi Asia Pte. Ltd.

16 Collyer Quay #20-00

Hitachi Tower

Singapore 049318

Tel: 535-2100

Electronic components Group

Dornacher Stra§e 3

D-85622 Feldkirchen, Munich

Germany

Tel: <49> (89) 9 9180-0

Fax: <49> (89) 9 29 30 00

179 East Tasman Drive,

San Jose,CA 95134

Tel: <1> (408) 433-1990

Fax: <1>(408) 433-0223

Fax: 535-1533

Hitachi Asia Ltd.

Taipei Branch Office

3F, Hung Kuo Building. No.167,

Tun-Hwa North Road, Taipei (105)

Tel: <886> (2) 2718-3666

Fax: <886> (2) 2718-8180

Telex: 40815 HITEC HX

Hitachi Europe Ltd.

Electronic Components Group.

Whitebrook Park

Lower Cookham Road

Maidenhead

Berkshire SL6 8YA, United Kingdom

Tel: <44> (1628) 585000

Fax: <44> (1628) 778322

HD74HC595 [HITACHI]

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