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CAT28F102N-90T Datasheet(PDF) 6 Page - Catalyst Semiconductor

Part # CAT28F102N-90T
Description  1 Megabit CMOS Flash Memory
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Manufacturer  CATALYST [Catalyst Semiconductor]
Direct Link  http://www.catalyst-semiconductor.com
Logo CATALYST - Catalyst Semiconductor

CAT28F102N-90T Datasheet(HTML) 6 Page - Catalyst Semiconductor

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CAT28F102
6
Doc. No. 25038-0A 2/98 F-1
A.C. CHARACTERISTICS, Program/Erase Operation
VCC = +5V ±10%, unless otherwise specified.
JEDEC
Standard
28F102-45
28F102-55
28F102-70 28F102-90
Symbol
Symbol
Parameter
Min. Max.
Min.
Max.
Min. Max. Min.
Max.
Unit
tAVAV
tWC
Write Cycle Time
45
55
70
90
ns
tAVWL
tAS
Address Setup Time
0
0
0
0
ns
tWLAX
tAH
Address Hold Time
30
30
35
40
ns
tDVWH
tDS
Data Setup Time
30
30
35
40
ns
tWHDX
tDH
Data Hold Time
10
10
10
10
ns
tELWL
tCS
CE Setup Time
0
0
0
0
ns
tWHEH
tCH
CE Hold Time
0
0
0
0
ns
tWLWH
tWP
WE Pulse Width
30
30
35
40
ns
tWHWL
tWPH
WE High Pulse Width
20
20
20
20
ns
tWHWH1(2)
-
Program Pulse Width
10
10
10
10
µs
tWHWH2(2)
-
Erase Pulse Width
9.5
9.5
9.5
9.5
ms
tWHGL
-
Write Recovery Time
6
6
6
6
µs
Before Read
tGHWL
-
Read Recovery Time
0
0
0
0
µs
Before Write
tVPEL
-
VPP Setup Time to
CE
100
100
100
100
ns
28F102-45
28F102-55
28F102-70
28F102-90
Parameter
Min.
Typ. Max. Min.
Typ. Max. Min. Typ.
Max. Min. Typ.
Max.
Unit
Chip Erase Time (3)(5)
0.5
10
0.5
10
0.5
10
0.5
10
sec
Chip Program Time(3)(4)
1
6.5
1
6.5
1
6.5
1
6.5
sec
Note:
(1) Please refer to Supply characteristics for the value of VPPH and VPPL. The VPP supply can be either hardwired or switched. If VPP is
switched, VPPL can be ground, less than VCC + 2.0V or a no connect with a resistor tied to ground.
(2) Program and Erase operations are controlled by internal stop timers.
(3) ‘Typicals’ are not guaranteed, but based on characterization data. Data taken at 25
°C, 12.0V VPP.
(4) Minimum byte programming time (excluding system overhead) is 16
µs (10 µs program + 6 µs write recovery), while maximum is 400 µs/
byte (16
µs x 25 loops). Max chip programming time is specified lower than the worst case allowed by the programming algorithm since
most bytes program significantly faster than the worst case byte.
(5) Excludes 00H Programming prior to Erasure.
VCC = +5V
±5%
Erase and Programming Performance (1)
VCC = +5V
±5%


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