参数资料
型号: W49F002UT90
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 256K X 8 FLASH 5V PROM, 90 ns, PDSO32
封装: 8 X 20 MM, TSOP-32
文件页数: 7/23页
文件大小: 303K
代理商: W49F002UT90
W49F002U
Publication Release Date: April 2000
- 15 -
Revision A2
AC Characteristics, continued
Data Polling and Toggle Bit Timing Parameters
PARAMETER
SYM.
W49F002U-70
W49F002U-90 W49F002U-120 UNIT
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
OE to Data Polling Output Delay TOEP
-
35
-
40
-
50
nS
CE to Data Polling Output Delay
TCEP
-
70
-
90
-
120
nS
OE to Toggle Bit Output Delay
TOET
-
35
-
40
-
50
nS
CE to Toggle Bit Output Delay
TCET
-
70
-
90
-
120
nS
TIMING WAVEFORMS
Read Cycle Timing Diagram
Address A17-0
DQ7-0
Data Valid
High-Z
CE
OE
WE
TRC
VIH
TCLZ
TOLZ
TOE
TCE
TOH
TAA
TCHZ
TOHZ
High-Z
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