This Data Sheet may be revised by subsequent versions

©2004 Eon Silicon Solution, Inc., www.essi.com.tw

or modifications due to changes in technical specifications.

23

EN25F40

Rev. B, Issue Date: 2007/05/09

Table 10.100MHz AC Characteristics

Symbol

Alt

Parameter

Min

Typ

Max

Unit

F

R

f

C

Serial Clock Frequency for:

FAST_READ, PP, SE, BE, DP, RES, WREN,

WRDI, WRSR

D.C.

100

MHz

f

R

Serial Clock Frequency for READ, RDSR, RDID

D.C.

66

MHz

t

CLH

1

Serial Clock High Time

4

ns

t

CLL

1

Serial Clock Low Time

4

ns

t

CLCH

2

Serial Clock Rise Time (Slew Rate)

0.1

V / ns

t

CHCL

2

Serial Clock Fall Time (Slew Rate)

0.1

V / ns

t

SLCH

t

CSS

CS# Active Setup Time

5

ns

t

CHSH

CS# Active Hold Time

5

ns

t

SHCH

CS# Not Active Setup Time

5

ns

t

CHSL

CS# Not Active Hold Time

5

ns

t

SHSL

t

CSH

CS# High Time

100

ns

t

SHQZ

2

t

DIS

Output Disable Time

6

ns

t

CLQX

t

HO

Output Hold Time

0

ns

t

DVCH

t

DSU

Data In Setup Time

2

ns

t

CHDX

t

DH

Data In Hold Time

5

ns

t

HLCH

HOLD# Low Setup Time ( relative to SCK )

5

ns

t

HHCH

HOLD# High Setup Time ( relative to SCK )

5

ns

t

CHHH

HOLD# Low Hold Time ( relative to SCK )

5

ns

t

CHHL

HOLD# High Hold Time ( relative to SCK )

5

ns

t

HLQZ

2

t

HZ

HOLD# Low to High-Z Output

6

ns

t

HHQZ

2

t

LZ

HOLD# High to Low-Z Output

6

ns

t

CLQV

t

V

Output Valid from SCK

8

ns

t

WHSL

3

Write Protect Setup Time before CS# Low

20

ns

t

SHWL

3

Write Protect Hold Time after CS# High

100

ns

t

DP

2

CS# High to Deep Power-down Mode

3

µs

t

RES1

2

CS# High to Standby Mode without Electronic

Signature read

3

µs

t

RES2

2

CS# High to Standby Mode with Electronic

Signature read

1.8

µs

t

W

Write Status Register Cycle Time

10

15

ms

t

PP

Page Programming Time

1.5

5

ms

t

SE

Sector Erase Time

0.15

0.3

s

t

BE

Block Erase Time

0.8

2

s

t

CE

Chip Erase Time

5

10

s

2. Value guaranteed by characterization, not 100% tested in production.

3. Only applicable as a constraint for a Write status Register instruction when Status Register Protect Bit is set at 1.