参数资料
型号: W39L020P-90Z
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 256K X 8 FLASH 3.3V PROM, 90 ns, PQCC32
封装: LEAD FREE, PLASTIC, LCC-32
文件页数: 13/29页
文件大小: 294K
代理商: W39L020P-90Z
W39L020
- 20 -
A.C. Characteristics, continued
Read Cycle Timing Parameters
(VDD = 3.3V
±0.3V, VSS = 0V, TA = 0 to 70° C)
W39L020-70
W39L020-90
PARAMETER
SYM.
MIN.
MAX.
MIN.
MAX.
UNIT
Read Cycle Time
TRC
70
-
90
-
nS
Chip Enable Access Time
TCE
-
70
-
90
nS
Address Access Time
TAA
-
70
-
90
nS
Output Enable Access Time
TOE
-
35
-
45
nS
#CE Low to Active Output
TCLZ
0
-
0
-
nS
#OE Low to Active Output
TOLZ
0
-
0
-
nS
#CE High to High-Z Output
TCHZ
-
25
-
25
nS
#OE High to High-Z Output
TOHZ
-
25
-
25
nS
Output Hold from Address Change
TOH
0
-
0
-
nS
Write Cycle Timing Parameters
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
Address Setup Time
TAS
0
-
nS
Address Hold Time
TAH
40
-
nS
#WE and #CE Setup Time
TCS
0
-
nS
#WE and #CE Hold Time
TCH
0
-
nS
#OE High Setup Time
TOES
0
-
nS
#OE High Hold Time
TOEH
0
-
nS
#CE Pulse Width
TCP
100
-
nS
#WE Pulse Width
TWP
100
-
nS
#WE High Width
TWPH
100
-
nS
Data Setup Time
TDS
40
-
nS
Data Hold Time
TDH
10
-
nS
Byte Programming Time
TBP
-
35
50
S
Chip Erase Cycle Time
TEC
-
50
100
mS
Sector/Page Erase Cycle Time
TEP
-
12.5
25
mS
Note: All AC timing signals observe the following guidelines for determining setup and hold times:
(a) High level signal's reference level is VIH and (b) low level signal's reference level is VIL.
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相关代理商/技术参数
参数描述
W39L020Q-70 制造商:WINBOND 制造商全称:Winbond 功能描述:128K X 8 CMOS FLASH MEMORY
W39L020Q-70B 制造商:WINBOND 制造商全称:Winbond 功能描述:128K X 8 CMOS FLASH MEMORY
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W39L020Q-90B 制造商:WINBOND 制造商全称:Winbond 功能描述:128K X 8 CMOS FLASH MEMORY
W39L020T-70 制造商:WINBOND 制造商全称:Winbond 功能描述:128K X 8 CMOS FLASH MEMORY