CAT28F020_04 Datasheet, PDF (14/15 Pages) Catalyst Semiconductor – 2 Megabit CMOS Flash Memory

CAT28F020
ALTERNATE CE-CONTROLLED WRITES
JEDEC Standard
28F020-90
Symbol Symbol Parameter
Min Typ Max
t_AVAV
t_WC
Write Cycle Time
90
t_AVEL
t_AS
Address Setup Time
0
t_ELAX
t_AH
Address Hold Time
40
t_DVEH
t_DS
Data Setup Time
40
t_EHDX
t_DH
Data Hold Time
10
t_EHGL
—
Write Recovery Time Before Read 6
t_GHEL
—
Read Recovery Time Before Write 0
t_WLEL
t_WS
WE Setup Time Before CE
0
t_EHWH
—
WE Hold Time After CE
0
t_ELEH
t_CP
Write Pulse Width
40
t_EHEL
t_CPH
Write Pulse Width High
20
t_VPEL
—
V_PP Setup Time to CE Low
100
28F020-12
Min Typ Max
120
0
40
40
10
6
0
0
0
40
20
100
Unit
ns
ns
ns
ns
ns
µs
µs
ns
ns
ns
ns
ns
ORDERING INFORMATION
Prefix Device #
Suffix
CAT
28F020
N
I
-12
T
Product
Number
Temperature Range
Blank = Commercial (0ßC to +70ßC)
I = Industrial (-40ßC to +85ßC)
A = Automotive (-40ßC to +105ßC*)
Tape & Reel
T: 500/Reel
Optional
Company ID
Package
N: PLCC
P: PDIP
T: TSOP (8mmx20mm)
TR: TSOP (Reverse Pinout)
G: PLCC (Lead free, Halogen free)
L: PDIP (Lead free, Halogen free)
H: TSOP (Lead free, Halogen free)
HR: TSOP (Reverse Pinout) (Lead free, Halogen free)
Speed
90: 90ns
12: 120ns
* -40˚ to +125˚ is available upon request.
Note:
(1) The device used in the above example is a CAT28F020NI-12T (PLCC, Industrial Temperature, 120 ns access time, Tape & Reel).
Doc. No. 1029, Rev. C
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