5962-8863402YX(2009) View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

5962-8863402YX
(Rev.:2009)

256K (32K x 8) High-speed Parallel EEPROM

Atmel Corporation 

16. Page Mode Write Characteristics

Symbol

tWC

tAS

tAH

tDS

tDH

tWP

tBLC

tWPH

Parameter

Write Cycle Time (option available)

Address Setup Time

Address Hold Time

Data Setup Time

Data Hold Time

Write Pulse Width

Byte Load Cycle Time

Write Pulse Width High

AT28HC256

AT28HC256F

17. Page Mode Write Waveforms(1)(2)

AT28HC256

Min

Typ

Max

Units

5

10

ms

2

3

ms

0

ns

50

ns

50

ns

0

ns

100

ns

150

µs

50

ns

Notes: 1. A6 through A14 must specify the same page address during each high to low transition of WE (or CE).

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

18. Chip Erase Waveforms

tS = tH = 5 µsec (min.)

tW = 10 msec (min.)

VH = 12.0V ± 0.5V

9

0007N–PEEPR–9/09

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