X25057M View Datasheet(PDF) - Xicor -> Intersil

Part Name

Description

Manufacturer

X25057M

5MHz Low Power SPI Serial E2PROM with IDLock™ Memory

Xicor -> Intersil 

X25057

Figure 2. Read Operation Sequence

CS

SCK

SI

0123456789

20 21 22 23 24 25 26 27 28 29 30

READ INSTRUCTION

(1 BYTE)

BYTE ADDRESS (2 BYTE)

15 14

3210

DATA OUT

HIGH IMPEDANCE

SO

Figure 3. Read Status Operation Sequence

CS

SCK

SI

SO

01234567

READ STATUS

INSTRUCTION

NONVOLATILE WRITE IN PROGRESS

SO HIGH DURING

NONVOLATILE

WRITE CYCLE

76543210

7033 FRM F03.1

...

...

... I I I

D DD

L LL

2 10

SO = STATUS REG BIT

WHEN NO NONVOLATILE

WRITE CYCLE

7033 FRM F04.2

5

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