參數(shù)資料
型號(hào)： S29AL008D90TAI020
廠商： SPANSION LLC
元件分類(lèi)： PROM
英文描述： 8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
中文描述： 512K X 16 FLASH 3V PROM, 90 ns, PDSO48
封裝： MO-142BDD, TSOP-48
文件頁(yè)數(shù)： 38/52頁(yè)
文件大?。?/td> 2004K
代理商： S29AL008D90TAI020
February 27, 2009 S29AL008D_00_A11
S29AL008D
43
Data
She e t
Figure 15.12 Sector Protect/Unprotect Timing Diagram
Note
For sector protect, A6 = 0, A1 = 1, A0 = 0. For sector unprotect, A6 = 1, A1 = 1, A0 = 0.
Notes
1. Not 100% tested.
Table 15.5 Alternate CE# Controlled Erase/Program Operations
Parameter
Speed Options
JEDEC
Std
Description
55
60
70
90
Unit
tAVAV
tWC
Write Cycle Time (Note 1)
Min
55
60
70
90
ns
tAVEL
tAS
Address Setup Time
0
tELAX
tAH
Address Hold Time
45
tDVEH
tDS
Data Setup Time
35
45
tEHDX
tDH
Data Hold Time
0
tOES
Output Enable Setup Time
0
tGHEL
Read Recovery Time Before Write
(OE# High to WE# Low)
0
tWLEL
tWS
WE# Setup Time
0
tEHWH
tWH
WE# Hold Time
0
tELEH
tCP
CE# Pulse Width
35
tEHEL
tCPH
CE# Pulse Width High
30
tSR/W
Latency Between Read and Write Operations
20
ns
tWHWH1
Programming Operation
Byte
Typ
7
s
Word
7
tWHWH2
Sector Erase Operation (Note 2)
0.7
sec
Sector Protect: 150 s
Sector Unprotect: 15 ms
1 s
RESET#
SA, A6,
A1, A0
Data
CE#
WE#
OE#
60h
40h
Valid*
Status
Sector Protect/Unprotect
Verify
VID
VIH
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