AT49BV6416 Datasheet

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Figure 3-2.

Data Polling Algorithm

(Configuration Register = 00)

Figure 3-3.

Data Polling Algorithm

(Configuration Register = 01)

START

START

Read I/O7 - I/O0

Addr = VA

Read I/O7 - I/O0

Addr = VA

YES

I/O7 = Data?

NO

NO

NO

I/O7 = 1?

YES

NO

I/O3, I/O5 = 1?

I/O3, I/O5 = 1?

YES

Read I/O7 - I/O0

Addr = VA

YES

Program/Erase

Operation Not

Successful, Write

Product ID

Exit Command

Program/Erase

Operation

Successful,

Write Product ID

Exit Command

I/O7 = Data?

YES

NO

Program/Erase

Operation Not

Successful, Write

Product ID

Exit Command

Program/Erase

Operation

Successful,

Device in

Read Mode

Note:

1. VA = Valid address for programming. During a sector

erase operation, a valid address is any sector

address within the sector being erased. During chip

erase, a valid address is any non-protected sector

address.

Notes:

1. VA = Valid address for programming. During a sector

erase operation, a valid address is any sector

address within the sector being erased. During chip

erase, a valid address is any non-protected sector

address.

2. I/O7 should be rechecked even if I/O5 = 鈥?鈥?because

I/O7 may change simultaneously with I/O5.

9

AT49BV6416(T)

3451C鈥揊LASH鈥?/05

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