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參數(shù)資料
型號(hào)： W39V040CQ
廠商： WINBOND ELECTRONICS CORP
元件分類： PROM
英文描述： 512K 】 8 CMOS FLASH MEMORY WITH LPC INTERFACE
中文描述： 512K X 8 FLASH 3.3V PROM, 11 ns, PDSO32
封裝： STSOP-32
文件頁(yè)數(shù)： 18/36頁(yè)
文件大小： 279K
代理商： W39V040CQ
W39V040C
- 18 -
9.5 Software Product Identification and Boot Block Lockout Detection Acquisition
Flow
Product
Identification
Entry (1)
Load data 55
to
address 2AAA
Load data 90
to
address 5555
Pause 10 S
Product
Identification
and Boot Block
Lockout Detection
Mode (3)
Read address = 00000
data = DA
Read address = 00001
data =50
Read address = FFF2
Check DQ[3:0] of data
outputs
(4)
Product
Identification Exit(6)
Load data 55
to
address 2AAA
Load data F0
to
address 5555
Normal Mode
(5)
(2)
(2)
Load data AA
to
address 5555
Load data AA
to
address 5555
Pause 10 S
Notes
for software product identification/boot block lockout detection:
(1) Data Format: DQ7
DQ0 (Hex); Address Format: A14
A0 (Hex)
(2) A1
A18 = V
IL
; manufacture code is read for A0 = V
IL
; device code is read for A0 = V
IH
.
(3) The device does not remain in identification and boot block lockout detection mode if power down.
(4) The DQ[3:2] to indicate the sectors protect status as below:
DQ2
DQ3
0
64Kbytes Boot Block Unlocked by #TBL
hardware trapping
64Kbytes Boot Block Locked by #TBL
hardware trapping
Whole Chip Unlocked by #WP hardware trapping
Except Boot Block
Whole Chip Locked by #WP hardware trapping Except
Boot Block
1
(5) The device returns to standard operation mode.
(6) Optional 1-write cycle (write F0 (hex.) at XXXX address) can be used to exit the product identification/boot block lockout
detection.
相關(guān)PDF資料
PDF描述
W39V040CQZ 512K 】 8 CMOS FLASH MEMORY WITH LPC INTERFACE
W39V040FA 512K X 8 CMOS FLASH MEMORY WITH FWH INERFACE
W39V040FAP 512K X 8 CMOS FLASH MEMORY WITH FWH INERFACE
W39V040FAQ 512K X 8 CMOS FLASH MEMORY WITH FWH INERFACE
W39V040FAT 512K X 8 CMOS FLASH MEMORY WITH FWH INERFACE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W39V040CQZ 制造商:WINBOND 制造商全稱:Winbond 功能描述:512K 】 8 CMOS FLASH MEMORY WITH LPC INTERFACE
W39V040FA 制造商:WINBOND 制造商全稱:Winbond 功能描述:512K X 8 CMOS FLASH MEMORY WITH FWH INERFACE
W39V040FAP 制造商:WINBOND 制造商全稱:Winbond 功能描述:512K X 8 CMOS FLASH MEMORY WITH FWH INERFACE
W39V040FAPZ 功能描述:IC FLASH 4MBIT 11NS 32PLCC RoHS:是 類別:集成電路 (IC) >> 存儲(chǔ)器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 格式 - 存儲(chǔ)器:RAM 存儲(chǔ)器類型:移動(dòng) SDRAM 存儲(chǔ)容量:256M（8Mx32） 速度:133MHz 接口:并聯(lián) 電源電壓:1.7 V ~ 1.95 V 工作溫度:-40°C ~ 85°C 封裝/外殼:90-VFBGA 供應(yīng)商設(shè)備封裝:90-VFBGA（8x13） 包裝:帶卷 (TR) 其它名稱:557-1327-2
W39V040FAQ 制造商:WINBOND 制造商全稱:Winbond 功能描述:512K X 8 CMOS FLASH MEMORY WITH FWH INERFACE
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