24

Am29F040B

P R E L I M I NARY

AC CHARACTERISTICS

AC CHARACTERISTICS

Erase and Program Operations

Alternate CE# Controlled Writes

Notes:

1. Not 100% tested.

2. See the “Erase And Programming Performance” section for more information.

Note: Both DQ6 and DQ2 toggle with OE# or CE#. See the text on DQ6 and DQ2 in the “Write Operation Status” section for more

information.

21445B-18

Figure 13.

DQ2 vs. DQ6

Enter

Erase

Erase

Erase

Enter Erase

Suspend Program

Erase Suspend

Read

Erase Suspend

Read

Erase

WE#

DQ6

DQ2

DQ2 and DQ6 toggle with OE# and CE#

Erase

Complete

Erase

Suspend

Suspend

Program

Resume

Embedded

Erasing

Parameter Symbols

Description

Speed Options

Unit

JEDEC

Standard

-55

-70

-90

-120

-150

Write Cycle Time (Note 1)

Min

55

70

90

120

150

ns

Address Setup Time

Min

0

ns

Address Hold Time

Min

40

45

45

50

50

ns

Data Setup Time

Min

25

30

45

50

50

ns

Data Hold Time

Min

0

ns

Read Recover Time Before Write

Min

0

ns

CE# Setup Time

Min

0

ns

CE# Hold Time

Min

0

ns

Write Pulse Width

Min

30

35

45

50

50

ns

Write Pulse Width High

Min

20

20

20

20

20

ns

Byte Programming Operation

(Note 2)

Typ

7

µs

Sector Erase Operation

(Note 2)

Typ

1

sec