8

AT17N256/512/010/002/040

3020A–CNFG–04/10/03

Notes:

1. AC test lead = 50 pF.

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

DC Characteristics

V

Symbol

Description

AT17N256

AT17N512/

AT17N010

AT17N002/

AT17N040

Units

Min

Max

Min

Max

Min

Max

V

IH

High-level Input Voltage

2.0

V

CC

2.0

V

CC

2.0

V

CC

V

Low-level Input Voltage

0

0.8

0

0.8

0

0.8

V

V

OH

High-level Output Voltage

(I

Commercial

2.4

2.4

2.4

V

V

OL

Low-level Output Voltage

(I

0.4

0.4

0.4

V

High-level Output Voltage

Industrial

2.4

2.4

2.4

V

V

OL

Low-level Output Voltage

(I

0.4

0.4

0.4

V

Supply Current, Active Mode

5

5

5

mA

I

L

Input or Output Leakage Current

(V

-1010-10

10

-1010

µA

I

CCS

Supply Current, Standby Mode

Commercial

50

100

150

µA

Industrial

100

100

150

µA

AC Characteristics

V

Symbol

Description

AT17N256

AT17N512/010/002/040

Units

Commercial

Industrial

Commercial

Industrial

Min

Max

Min

Max

Min

Max

Min

Max

T

OE

(1)

OE to Data Delay

50

55

50

55

ns

T

CE

(1)

CE to Data Delay

60

60

55

60

ns

(1)

CLK to Data Delay

75

80

55

60

ns

T

OH

Data Hold from CE, OE, or CLK

0000

ns

T

DF

(2)

CE or OE to Data Float Delay

55

55

50

50

ns

CLK Low Time

25

25

25

25

ns

T

HC

CLK High Time

25

25

25

25

ns

T

SCE

CE Setup Time to CLK

(to guarantee proper counting)

35

60

30

35

ns

T

HCE

CE Hold Time from CLK

(to guarantee proper counting)

0000

ns

T

HOE

OE High Time (guarantees counter is reset)

25

25

25

25

ns

F

MAX

Maximum Clock Frequency

10

10

15

10

MHz