11

3039I–CNFG–2/05

AT17F040/080

Notes:

1. Preliminary specifications for military operating range only.

2. AC test lead = 50 pF.

3. Float delays are measured with 5 pF AC loads. Transition is measured ± 200 mV from steady-state active levels.

4. See the AT17F Programming Specfication for procedural information.

16. AC Characteristics

Symbol

Description

AT17F040/080

Units

Min

Max

T

OE

(2)

OE to Data Delay

Commercial

50

ns

Industrial(1)

55

ns

T

CE

(2)

CE to Data Delay

Commercial

55

ns

Industrial(1)

60

ns

(2)

CLK to Data Delay

Commercial

3

30

ns

Industrial(1)

30

ns

Data Hold from CE, OE, or CLK

Commercial

0

ns

Industrial(1)

0ns

T

DF

(3)

CE or OE to Data Float Delay

Commercial

15

ns

Industrial(1)

15

ns

CLK Low Time

Commercial

15

ns

Industrial(1)

15

ns

CLK High Time

Commercial

15

ns

Industrial(1)

15

ns

T

SCE

CE Setup Time to CLK

(to guarantee proper counting)

Commercial

20

ns

Industrial(1)

25

ns

T

HCE

CE Hold Time from CLK

(to guarantee proper counting)

Commercial

0

ns

Industrial(1)

0ns

RESET/OE Low Time

(guarantees counter is reset)

Commercial

20

ns

Industrial(1)

20

ns

F

MAX

Maximum Input Clock Frequency

SEREN = 0

Commercial

10

MHz

Industrial(1)

10

MHz

F

MAX

Maximum Input Clock Frequency

SEREN = 1

Commercial

33

MHz

Industrial(1)

33

MHz

Write Cycle Time(4)

Commercial

12

µs

Industrial(1)

12

µs

T

EC

Erase Cycle Time(4)

Commercial

13

s

Industrial(1)

13

s