W29C040 데이터 시트보기 (PDF) - Winbond
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W29C040 Datasheet PDF : 24 Pages
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W29C040
AC Characteristics, continued
Read Cycle Timing Parameters
(VDD = 5.0V ±10 % VSS = 0V, TA = 0 to 70° C for normal products, -40 to 85° C for W29C040xxxxK)
PARAMETER
Read Cycle Time
Chip Enable Access Time
Address Access Time
Output Enable Access Time
#CE High to High-Z Output
#OE High to High-Z Output
Output Hold from Address Change
SYM.
TRC
TCE
TAA
TOE
TCHZ
TOHZ
TOH
W29C040-70
MIN. MAX.
70
-
-
70
-
70
-
35
-
20
-
20
0
-
W29C040-90
MIN. MAX.
90
-
-
90
-
90
-
40
-
25
-
25
0
-
W29C040-12 UNIT
MIN. MAX.
120 -
nS
- 120 nS
- 120 nS
-
50 nS
-
30 nS
-
30 nS
0
-
nS
Byte/Page-write Cycle Timing Parameters
PARAMETER
Write Cycle (erase and program)
Address Setup Time
Address Hold Time
#WE and #CE Setup Time
#WE and #CE Hold Time
#OE High Setup Time
#OE High Hold Time
#CE Pulse Width
#WE Pulse Width
#WE High Width
Data Setup Time
Data Hold Time
Byte Load Cycle Time
SYM.
TWC
TAS
TAH
TCS
TCH
TOES
TOEH
TCP
TWP
TWPH
TDS
TDH
TBLC
MIN.
-
0
50
0
0
0
0
70
70
100
50
0
-
TYP.
-
-
-
-
-
-
-
-
-
-
-
-
-
Notes:
All AC timing signals observe the following guideline for determining setup and hold times:
(1) High level signal's reference level is VIH
(2) Low level signal's reference level is VIL
MAX.
10
-
-
-
-
-
-
-
-
-
-
-
200
UNIT
mS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
µS
- 13 -
Publication Release Date: May 6, 2002
Revision A9
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