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參數資料
型號: W29C020CP90B
廠商: WINBOND ELECTRONICS CORP
元件分類: PROM
英文描述: 256K X 8 CMOS FLASH MEMORY
中文描述: 256K X 8 FLASH 5V PROM, 90 ns, PQCC32
封裝: PLASTIC, LCC-32
文件頁數: 12/21頁
文件大小: 194K
代理商: W29C020CP90B
W29C020C
- 12 -
AC Characteristics, continued
Read Cycle Timing Parameters
(V
DD
= 5.0V
±
10
%
for 90 nS and 120 nS; V
DD
= 5.0V
±
5% for 70 nS, V
SS
= 0V, T
A
= 0 to 70
°
C)
PARAMETER
SYM.
W29C020C-70 W29C020C-90 W29C020C-12
UNIT
MIN.
MAX. MIN.
MAX. MIN.
MAX.
Read Cycle Time
T
RC
70
-
90
-
120
-
nS
Chip Enable Access Time
T
CE
-
70
-
90
-
120
nS
Address Access Time
T
AA
-
70
-
90
-
120
nS
Output Enable Access Time
T
OE
-
35
-
40
-
50
nS
CE
High to High-Z Output
T
CHZ
-
25
-
25
-
30
nS
OE High to High-Z Output
T
OHZ
-
25
-
25
-
30
nS
Output Hold from Address change
T
OH
0
-
0
-
0
-
nS
Byte/Page-write Cycle Timing Parameters
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
Write Cycle (erase and program)
T
WC
-
-
10
mS
Address Setup Time
T
AS
0
-
-
nS
Address Hold Time
T
AH
50
-
-
nS
WE
and
CE
Setup Time
T
CS
0
-
-
nS
WE
and
CE
Hold Time
T
CH
0
-
-
nS
OE High Setup Time
T
OES
0
-
-
nS
OE High Hold Time
T
OEH
0
-
-
nS
CE Pulse Width
T
CP
70
-
-
nS
WE
Pulse Width
T
WP
70
-
-
nS
WE
High Width
T
WPH
100
-
-
nS
Data Setup Time
T
DS
50
-
-
nS
Data Hold Time
T
DH
0
-
-
nS
Byte Load Cycle Time
T
BLC
-
-
200
μ
S
Note: All AC timing signals observe the following guideline for determining setup and hold times:
Reference level is V
IH
for high-level signal and V
IL
for low-level signal.
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W29C020CT12B 256K X 8 CMOS FLASH MEMORY
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相關代理商/技術參數
參數描述
W29C020CP90N 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM|FLASH|256KX8|CMOS|LDCC|32PIN|PLASTIC
W29C020CT12B 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY
W29C020CT12N 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM|FLASH|256KX8|CMOS|TSSOP|32PIN|PLASTIC
W29C020CT70B 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY
W29C020CT90B 制造商:Winbond Electronics Corp 功能描述:256K X 8 FLASH 5V PROM, 90 ns, PDSO32