25AA128XT-I 查看數據表（PDF） - Microchip Technology

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25AA128XT-I

128K SPI Bus Serial EEPROM

Microchip Technology 

25AA128/25LC128

FIGURE 1-1: HOLD TIMING

CS

17

16

17

16

SCK

SO

n+2

18

19

High-Impedance

n+1

n

n

Don’t Care

5

SI

n+2

n+1

n

n

HOLD

n-1

n-1

FIGURE 1-2: SERIAL INPUT TIMING

CS

2

Mode 1,1

7

8

SCK Mode 0,0

56

SI

MSB in

High-Impedance

SO

FIGURE 1-3: SERIAL OUTPUT TIMING

CS

SCK

SO

SI

9

10

13

MSB out

14

Don’t Care

4

12

11

3

LSB in

3

15

ISB out

Mode 1,1

Mode 0,0

 2003-2011 Microchip Technology Inc.

DS21831E-page 5

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