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5962-9761601VDA

更新时间： 2024-02-16 06:46:16

品牌	Logo	应用领域
德州仪器 - TI		触发器
页数	文件大小	规格书
19页	815K
描述
DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR AND PRESET

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5962-9761601VDA 数据手册

SN54LVC74A, SN74LVC74A

DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS

WITH CLEAR AND PRESET

www.ti.com

SCAS287S–JANUARY 1993–REVISED MAY 2005

Electrical Characteristics

over recommended operating free-air temperature range (unless otherwise noted)

SN54LVC74A

MIN TYP⁽¹⁾MAX

SN74LVC74A

MIN TYP⁽¹⁾MAX

V_CC– 0.2

PARAMETER

TEST CONDITIONS

V_CC

UNIT

1.65 V to 3.6 V

2.7 V to 3.6 V

1.65 V

I_OH= –100 µA

V_CC– 0.2

I_OH= –4 mA

I_OH= –8 mA

1.2

1.7

2.2

2.4

2.2

V_OH

2.3 V

2.7 V

2.2

2.4

2.2

I_OH= –12 mA

I_OH= –24 mA

I_OL= 100 µA

3 V

1.65 V to 3.6 V

2.7 V to 3.6 V

1.65 V

0.2

I_OL= 4 mA

0.45

0.7

0.4

0.55

±5

V_OL

I_OL= 8 mA

2.3 V

I_OL= 12 mA

2.7 V

0.4

0.55

±5

I_OL= 24 mA

3 V

I_I

V_I= 5.5 V or GND

V_I= V_CCor GND,

One input at V_CC– 0.6 V,

3.6 V

µA

I_CC

I_O= 0

3.6 V

∆I_CC

2.7 V to 3.6 V

3.3 V

500

µA

Other inputs at V_CCor GND

C_i

V_I= V_CCor GND

(1) All typical values are at V_CC= 3.3 V, T_A= 25°C.

Timing Requirements

over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)

SN54LVC74A

V_CC= 3.3 V

± 0.3 V

V_CC= 2.7 V

UNIT

MIN MAX MIN MAX

83 100

f_clock

t_w

Clock frequency

Pulse duration

MHz

PRE or CLR low

CLK high or low

Data

3.3

3.4

2.2

3.3

t_su

t_h

Setup time before CLK↑

PRE or CLR inactive

Hold time, data after CLK↑

1 2 345 6 7...19

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