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CAT28C17A Datasheet, PDF (5/12 Pages) Catalyst Semiconductor – 16K-Bit CMOS PARALLEL E2PROM
CAT28C17A
2.4 V
0.45 V
INPUT PULSE LEVELS
2.0 V
0.8 V
REFERENCE POINTS
Figure 2. A.C. Testing Input/Output Waveform (Note 10)
10. Input rise and fall times (10% and 90%) < 10 ns.
1.3 V
1N914
DEVICE
UNDER
TEST
3.3 K
CL = 100 pF
OUT
CL INCLUDES JIG CAPACITANCE
Figure 3. A.C. Testing Load Circuit (example)
Table 7. A.C. CHARACTERISTICS, WRITE CYCLE (VCC = 5 V ±10%, unless otherwise specified.)
28C17A−20
Symbol
Parameter
Min
Max
tWC
Write Cycle Time
10
tAS
Address Setup Time
10
tAH
Address Hold Time
100
tCS
CE Setup Time
0
tCH
CE Hold Time
0
tCW (Note 11) CE Pulse Time
150
tOES
OE Setup Time
15
tOEH
OE Hold Time
15
tWP (Note 11) WE Pulse Width
150
tDS
Data Setup Time
50
tDH
Data Hold Time
10
tDL
Data Latch Time
50
tINIT (Note 12) Write Inhibit Period After Power−up
5
20
tDB
Time to Device Busy
80
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.
Units
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ns
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