CAT28C17API-20T datasheet(5/12 Pages) ONSEMI

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CAT28C17A

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Figure 2. A.C. Testing Input/Output Waveform (Note 10)

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

CL = 100 pF

CL INCLUDES JIG CAPACITANCE

Table 7. A.C. CHARACTERISTICS, WRITE CYCLE (VCC = 5 V ±10%, unless otherwise specified.)

Symbol

Parameter

28C17A−20

Units

Min

Max

tWC

Write Cycle Time

tAS

Address Setup Time

tAH

Address Hold Time

100

tCS

CE Setup Time

tCH

CE Hold Time

tCW (Note 11)

CE Pulse Time

150

tOES

OE Setup Time

tOEH

OE Hold Time

tWP (Note 11)

WE Pulse Width

150

tDS

Data Setup Time

tDH

Data Hold Time

tDL

Data Latch Time

tINIT (Note 12)

Write Inhibit Period After Power−up

tDB

Time to Device Busy

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.

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