TC58256AFT

2001-05-30

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Auto Page Program

The device carries out an Automatic Page Program operation when it receives a “10H” Program command after

the address and data have been input. The sequence of command, address and data input is shown below.

(Refer to the detailed timing chart.)

Auto Block Erase

The Auto Block Erase operation starts on the rising edge of WE after the Erase Start command “D0H”

which follows the Erase Setup command “60H”. This two-cycle process for Erase operations acts as an ertra layer

of protection from aceidental erasure of data due to external noise. The device automatically executes the Erase

and Verify operations.

Pass

80

10

Data input

0 to 527

70

I/O

Address

input

Data input

command

Program

command

Status Read

command

Fail

BY

/

RY

BY

/

RY

automatically returns to Ready after

completion of the operation.

Figure 7. Auto Page Program operation

The data is transferred (programmed) from the register to the selected

After programming, the programmed data is transferred back to the

register to be automatically verified by the device. If the programming

does not succeed, the Program/Verify operation is repeated by the device

until success is achieved or until the maximum loop number set in the

device is reached.

Data input

Selected

page

Reading & verification

Program

Pass

I/O

Fail

BY

/

RY

60

D0

70

Block Address

input: 2 cycles

Status Read

command

Busy

Erase Start

command