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參數資料
| 型號： | W39V080FAT |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | PROM |
| 英文描述： | 1M 】 8 CMOS FLASH MEMORY WITH FWH INTERFACE |
| 中文描述： | 1M X 8 FLASH 3.3V PROM, 11 ns, PDSO40 |
| 封裝： | 10 X 20 MM, TSOP-40 |
| 文件頁數： | 8/35頁 |
| 文件大小： | 301K |
| 代理商： | W39V080FAT |
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W39V080FA
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8
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After an erase command sequence is written, if all sectors selected for erasing are protected, DQ6
toggles for about 100
μ
S, and then returns to reading array data. If not all selected sectors are
protected, the Embedded Erase algorithm erases the unprotected sectors, and ignores the selected
sectors which are protected.
The system can use DQ6 to determine whether a sector is actively erasing. If the device is actively
erasing (i.e., the Embedded Erase algorithm is in progress), DQ6 toggles. If a program address falls
within a protected sector, DQ6 toggles for about 1
μ
s after the program command sequence is written,
and then returns to reading array data.
6.10.4 DQ5: Exceeded Timing Limits
DQ5 indicates whether the program or erase time has exceeded a specified internal pulse count limit.
DQ5 produces “1” under these conditions which indicates that the program or erase cycle was not
successfully completed.
The device may output “1” on DQ5 if the system tries to program “1” to a location that was previously
programmed to “0.” Only the erase operation can change “0” back to “1.” Under this condition, the
device stops the operation, and while the timing limit has been exceeded, DQ5 produces “1.”
Under both these conditions, the system must hardware reset to return to the read mode.
6.11 Identification Input pin ID[3:0]
These pins are part of mechanism that allows multiple parts to be used on the same bus. The boot
device should be 0000b. And all the subsequent parts should use the up-count strapping.
6.12 Register
There are three kinds of registers on this device, the General Purpose Input Registers, the Block Lock
Control Registers and Product Identification Registers. Users can access these registers through
respective address in the 4Gbytes memory map. There are detail descriptions in the sections below.
6.12.1 General Purpose Inputs Register
This register reads the FGPI[4:0] pins on the W39V080FA.This is a pass-through register which can
read via memory address FFBC0100(hex). Since it is pass-through register, there is no default value.
GPI Register Table
BIT
7
5
4
3
2
1
0
FUNCTION
Reserved
Read FGPI4 pin status
Read FGPI3 pin status
Read FGPI2 pin status
Read FGPI1 pin status
Read FGPI0 pin status
6.12.2 Block Locking Registers
This part provides 16 even 64Kbytes blocks, and each block can be locked by register control. These
control registers can be set or clear through memory address. Below is the detail description.
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相關代理商/技術參數 |
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| W39V080FATZ | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M 】 8 CMOS FLASH MEMORY WITH FWH INTERFACE |
| W3A41A100K4T2A | 功能描述:電容器陣列與網絡 100v 10pF 10% Tol. RoHS:否 制造商:AVX 電容:0.1 uF 容差:20 % 電壓額定值:6.3 V 元件數量:2 工作溫度范圍: 外殼長度:0.8 mm 外殼寬度:1.6 mm 外殼高度:0.5 mm 端接類型:SMD/SMT 系列:PG |
| W3A41A100KAT1A | 功能描述:電容器陣列與網絡 100volts 10pF 10% 0612 C0G 4CAPS RoHS:否 制造商:AVX 電容:0.1 uF 容差:20 % 電壓額定值:6.3 V 元件數量:2 工作溫度范圍: 外殼長度:0.8 mm 外殼寬度:1.6 mm 外殼高度:0.5 mm 端接類型:SMD/SMT 系列:PG |
| W3A41A100KAT2A | 功能描述:電容器陣列與網絡 100volts 10pF 10% 4cap NPO RoHS:否 制造商:AVX 電容:0.1 uF 容差:20 % 電壓額定值:6.3 V 元件數量:2 工作溫度范圍: 外殼長度:0.8 mm 外殼寬度:1.6 mm 外殼高度:0.5 mm 端接類型:SMD/SMT 系列:PG |
| W3A41A101JAT2F | 功能描述:電容器陣列與網絡 100v 100pF 5% Tol. RoHS:否 制造商:AVX 電容:0.1 uF 容差:20 % 電壓額定值:6.3 V 元件數量:2 工作溫度范圍: 外殼長度:0.8 mm 外殼寬度:1.6 mm 外殼高度:0.5 mm 端接類型:SMD/SMT 系列:PG |
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