AT49BV6416 Datasheet

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AT49BV6416(T)

Figure 3-4.

Toggle Bit Algorithm

(Configuration Register = 00)

Figure 3-5.

Toggle Bit Algorithm

(Configuration Register = 01)

START

START

Read I/O7 - I/O0

Read I/O7 - I/O0

Read I/O7 - I/O0

Read I/O7 - I/O0

Toggle Bit =

Toggle?

YES

NO

I/O3, I/O5 = 1?

NO

Toggle Bit =

Toggle?

YES

NO

I/O3, I/O5 = 1?

NO

YES

Read I/O7 - I/O0

Twice

YES

Read I/O7 - I/O0

Twice

Toggle Bit =

Toggle?

YES

Program/Erase

Operation Not

Successful, Write

Product ID

Exit Command

NO

Toggle Bit =

Toggle?

YES

NO

Program/Erase

Operation

Successful,

Device in

Read Mode

Program/Erase

Operation Not

Successful, Write

Product ID

Exit Command

Program/Erase

Operation

Successful,

Write Product ID

Exit Command

Note:

1. The system should recheck the toggle bit even if

I/O5 = 鈥?鈥?because the toggle bit may stop toggling

as I/O5 changes to 鈥?鈥?

Note:

1. The system should recheck the toggle bit even if

I/O5 = 鈥?鈥?because the toggle bit may stop toggling

as I/O5 changes to 鈥?鈥?

10

3451C鈥揊LASH鈥?/05

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