CAT28LV256

4

Doc. No. MD-1071, Rev. E

© 2009 SCILLC. All rights reserved.

Characteristics subject to change without notice

D.C. OPERATING CHARACTERISTICS

Limits

Symbol

Parameter

Min.

Typ.

Max.

Units

Test Conditions

15

mA

150

µA

All I/O’s Open

Input Leakage Current

–1

1

Output Leakage Current

–5

5

High Level Input Voltage

2

V

Low Level Input Voltage

–0.3

0.6

V

High Level Output Voltage

2

V

µA

Low Level Output Voltage

0.3

V

Write Inhibit Voltage

2

V

A.C. CHARACTERISTICS, Read Cycle

28LV256-20

28LV256-25

28LV256-30

Symbol

Parameter

Min.

Max.

Min.

Max.

Min.

Max. Units

Read Cycle Time

200

250

300

ns

CE Access Time

200

250

300

ns

Address Access Time

200

250

300

ns

OE Access Time

80

100

110

ns

CE Low to Active Output

0

0

0

ns

OE Low to Active Output

0

0

0

ns

CE High to High-Z Output

50

55

60

ns

OE High to High-Z Output

50

55

60

ns

Output Hold from Address Change

0

0

0

ns

Note:

(1) This parameter is tested initially and after a design or process change that affects the parameter.

(3) Output floating (High-Z) is defined as the state when the external data line is no longer driven by the output buffer.