AT25128B View Datasheet(PDF) - Atmel Corporation

Part Name

Description

MFG CO.

AT25128B

SPI Serial EEPROMs 128K (16,384 x 8) 256K (32,768 x 8)

Atmel Corporation 

AT25128B/256B

Figure 4-4. RDSR Timing

CS

SCK

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

SI

INSTRUCTION

HIGH IMPEDANCE

SO

Figure 4-5. WRSR Timing

CS

DATA OUT

76543210

MSB

SCK

SI

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

INSTRUCTION

DATA IN

76543210

HIGH IMPEDANCE

SO

Figure 4-6. READ Timing

CS

SCK

SI

SO

012 345678

23 24 25 26 27 28 29 30

INSTRUCTION

BYTE ADDRESS

AN

...

A0

HIGH IMPEDANCE

DATA OUT

76543210

MSB

11

8698B–SEEPR–3/10

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