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CAT28C256L-15T 数据表(PDF) 5 Page - ON Semiconductor

部件名 CAT28C256L-15T
功能描述  256 kb Parallel EEPROM
Download  14 Pages
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

CAT28C256L-15T 数据表(HTML) 5 Page - ON Semiconductor

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CAT28C256
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Table 7. A.C. CHARACTERISTICS, WRITE CYCLE (VCC = 5 V ±10%, unless otherwise specified.)
Symbol
Parameter
28C256−12
28C256−15
Units
Min
Max
Min
Max
tWC
Write Cycle Time
5
5
ms
tAS
Address Setup Time
0
0
ns
tAH
Address Hold Time
50
50
ns
tCS
CE Setup Time
0
0
ns
tCH
CE Hold Time
0
0
ns
tCW (Note 10)
CE Pulse Time
100
100
ns
tOES
OE Setup Time
0
0
ns
tOEH
OE Hold Time
0
0
ns
tWP (Note 10)
WE Pulse Width
100
100
ns
tDS
Data Setup Time
50
50
ns
tDH
Data Hold Time
10
10
ns
tINIT (Note 11)
Write Inhibit Period After Power−up
5
10
5
10
ms
tBLC (Notes 11, 12)
Byte Load Cycle Time
0.1
100
0.1
100
ms
10.A write pulse of less than 20 ns duration will not initiate a write cycle.
11. This parameter is tested initially and after a design or process change that affects the parameter.
12.A timer of duration tBLC max. begins with every LOW to HIGH transition of WE. If allowed to time out, a page or byte write will begin; however
a transition from HIGH to LOW within tBLC max. stops the timer.
Figure 2. A.C. Testing Input/Output Waveform (Note 13)
INPUT PULSE LEVELS
REFERENCE POINTS
2.0 V
0.8 V
0.0 V
VCC − 0.3 V
13.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


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