TC58FVM5B2AXB65 datasheet(18/63 Pages) TOSHIBA

18 / 63 page

TC58FVM5(T/B)(2/3)A(FT/XB)65

2003-01-29 18/63

HARDWARE SEQUENCE FLAGS

The TC58FVM5T2A/B2A/T3A/B3A has a Hardware Sequence flag which allows the device status to be

determined during an auto mode operation. The output data is read out using the same timing as that used when

= OE = VIL in Read Mode. The

output can be either High or Low.

The device re-enters Read Mode automatically after an auto mode operation has been completed successfully. The

Hardware Sequence flag is read to determine the device status and the result of the operation is verified by

comparing the read-out data with the original data.

STATUS

DQ7

DQ6

DQ5

DQ3

DQ2

Auto Programming/Auto Page Programming

DQ (4)

Toggle

Read in Program Suspend

(1)

Data

High-Z

Selected

(2)

Toggle

Erase Hold Time

Not-selected

(3)

Toggle

Selected

Toggle

In Auto

Erase

Auto Erase

Not-selected

Toggle

Selected

Toggle

High-Z

Read

Not-selected

Data

High-Z

Selected

DQ (4)

Toggle

In Progress

In Erase

Suspend

Programming

Not-selected

DQ (4)

Toggle

Auto Programming/Auto Page Programming

DQ (4)

Toggle

Auto Erase

Toggle

Time Limit

Exceeded

Programming in Erase Suspend

DQ (4)

Toggle

Notes:DQ outputs cell data and

goes High-Impedence when the operation has been completed.

DQ0 and DQ1 pins are reserved for future use.

0 is output on DQ0, DQ1 and DQ4.

(1) Data output from an address to which Write is being performed is undefined.

(2) Output when the block address selected for Auto Block Erase is specified and data is read from there.

During Auto Chip Erase, all blocks are selected.

(3) Output when a block address not selected for Auto Block Erase of same bank as selected block is specified and data is

read from there.

(4) In case of Page program operation is program data of (A0, A1, A2)

= (1, 1, 1) in eleventh bus write cycle in word mode.

Program data of (A-1, A0, A1, A2)

= (1, 1, 1, 1) in nineteenth bus write cycle in byte mode.

DQ7 (

polling)

During an Auto-Program or auto-erase operation, the device status can be determined using the data polling

function. DATA polling begins on the rising edge of WE in the last bus cycle. In an Auto-Program operation,

DQ7 outputs inverted data during the programming operation and outputs actual data after programming has

finished. In an auto-erase operation, DQ7 outputs 0 during the Erase operation and outputs 1 when the Erase

operation has finished. If an Auto-Program or auto-erase operation fails, DQ7 simply outputs the data.

When the operation has finished, the address latch is reset. Data polling is asynchronous with the OE

signal.

DATA

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