74HC595(2004) 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

比赛名单

74HC595
(Rev.:2004)

8 BIT SHIFT REGISTER WITH OUTPUT LATCHES (3 STATE)

STMicroelectronics 

M74HC595

Symbol

Parameter

ts Minimum Set-up

Time

(SCRL - RCK)

th Minimum Hold

Time

tREM Minimum Clear

Removal Time

Test Condition

VCC CL

(V) (pF)

2.0

4.5 50

6.0

2.0

4.5 50

6.0

2.0

4.5 50

6.0

Value

TA = 25°C

-40 to 85°C -55 to 125°C Unit

Min. Typ. Max. Min. Max. Min. Max.

40 100

125

145

10 20

25

29 ns

7 17

21

25

0

0

0

0

0

0 ns

0

0

0

15 50

65

75

3 10

13

15 ns

3

9

11

13

CAPACITIVE CHARACTERISTICS

Test Condition

Value

Symbol

Parameter

VCC

(V)

TA = 25°C

-40 to 85°C -55 to 125°C Unit

Min. Typ. Max. Min. Max. Min. Max.

CIN Input Capacitance

5 10

10

10 pF

CPD Power Dissipation

Capacitance (note

184

pF

1)

1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without

load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC

TEST CIRCUIT

TEST

tPLH, tPHL

tPZL, tPLZ

tPZH, tPHZ

CL = 50pF/150pF or equivalent (includes jig and probe capacitance)

R1 = 1KΩ or equivalent

RT = ZOUT of pulse generator (typically 50Ω)

SWITCH

Open

VCC

GND

7/16

Share Link: