CAT28C17A

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5

INPUT PULSE LEVELS

REFERENCE POINTS

2.0 V

0.8 V

2.4 V

0.45 V

10.Input rise and fall times (10% and 90%) < 10 ns.

Figure 3. A.C. Testing Load Circuit (example)

1.3 V

DEVICE

UNDER

TEST

1N914

3.3 K

OUT

Symbol

Parameter

28C17A−20

Units

Min

Max

Write Cycle Time

10

ms

Address Setup Time

10

ns

Address Hold Time

100

ns

CE Setup Time

0

ns

CE Hold Time

0

ns

CE Pulse Time

150

ns

OE Setup Time

15

ns

OE Hold Time

15

ns

WE Pulse Width

150

ns

Data Setup Time

50

ns

Data Hold Time

10

ns

Data Latch Time

50

ns

Write Inhibit Period After Power−up

5

20

ms

Time to Device Busy

80

ns

11. A write pulse of less than 20 ns duration will not initiate a write cycle.

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