參數(shù)資料
型號: EN29F002T
英文描述: 5V, Half Duplex, 250kbps Slew Rate Limited, ±15kV ESD Protected, 1/8 Unit Load, RS-485/RS-422 Transceiver; Temperature Range: -40°C to 85°C; Package: 8-PDIP
中文描述: 2兆位(262144 × 8)閃光
文件頁數(shù): 17/32頁
文件大?。?/td> 267K
代理商: EN29F002T
4800 Great America Parkway, Suite 202
Tel: 408-235-8680
Santa Clara, CA 95054
Fax: 408-235-8685
24
EN29F002 / EN29F002N
Rev. C, Issue Date: 2001/07/05
Table 10. AC CHARACTERISTICS
Write (Erase/Program) Operations
Alternate
CE Controlled Writes
Parameter
Symbols
Speed Options
JEDEC
Standard
Description
-45
-55
-70
-90
Unit
tAVAV
tWC
Write Cycle Time
Min
45
55
70
90
ns
tAVEL
tAS
Address Setup Time
Min
0
ns
tELAX
tAH
Address Hold Time
Min
35
45
ns
tDVEH
tDS
Data Setup Time
Min
20
25
30
45
ns
tEHDX
tDH
Data Hold Time
Min
0
ns
tOES
Output Enable Setup Time
Min
0
ns
tOEH
Output Enable
Read
0
ns
Hold Time
Toggle and
Data Polling
10
ns
tGHEL
Read Recovery Time before
Write ( OE High to CE Low)
Min
0
ns
tWLEL
tWS
WE SetupTime
Min
0
ns
tEHWH
tWH
WE Hold Time
Min
0
ns
tELEH
tCP
Write Pulse Width
Min
25
30
35
45
ns
tEHEL
tCPH
Write Pulse Width High
Min
20
ns
tWHWH1 tWHWH1
Programming Operation
Typ
7
s
Max
200
s
tWHWH2 tWHWH2
Sector Erase Operation
Typ
0.3
s
Max
5
s
tWHWH3 tWHWH3
Chip Erase Operation
Typ
3
s
Max
35
s
tVCS
Vcc Setup Time
Min
50
s
tVIDR
Rise Time to VID
Min
500
ns
tRP
RESET Pulse Width
(n/a for EN29F002N)
Min
500
ns
tRSP
RESET Setup Time
(n/a for EN29F002N)
Min
4
s
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