AT52SC1283J datasheet(37/52 Pages) ATMEL

37 / 52 page

3530B–STKD–2/4/05

AT52SC1283J/1284J [Preliminary]

35. Program Cycle Waveforms

36. Sector, Plane or Chip Erase Cycle Waveforms

Notes:

1. Any address can be used to load data.

2. OE must be high only when WE and CE are both low.

3. The data can be 40H or 10H.

4. For chip erase, any address can be used. For plane erase or sector erase, the address depends on what plane or sector is

to be erased.

5. For chip erase, the data should be 21H, for plane erase, the data should be 22H, and for sector erase, the data should

be 20H.

34. Program Cycle Characteristics

Symbol

Parameter

Min

Typ

Max

Units

Word Programming Time

µs

tSEC1

Sector Erase Cycle Time (4K word sectors)

200

SEC2

Sector Erase Cycle Time (32K word sectors)

800

Erase Suspend Time

µs

tPS

Program Suspend Time

µs

ERES

Delay between Erase Resume and Erase Suspend

500

µs

PROGRAM CYCLE

INPUT DATA

Note 3

ADDRESS

tBP

tWP

AVD

A0 - A22

I/O0 - I/O15

tWPH

tAS

tAH

tDH

tDS

tWC

(1)

VIL

(2)

(1)

WORD 0

WORD 1

Note 4

tWPH

tWP

A0 - A22

tAS

tSEC1/2

tDH

tDS

tWC

AVD

I/O0 - I/O15

VIL

Note 5

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