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參數(shù)資料
| 型號(hào)： | AS29F040-150TI |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | PROM |
| 英文描述： | 512K X 8 FLASH 5V PROM, 150 ns, PDSO32 |
| 封裝： | 8 X 20 MM, TSOP-32 |
| 文件頁數(shù)： | 12/18頁 |
| 文件大小： | 341K |
| 代理商： | AS29F040-150TI |
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L = Low (<VIL); H = High (>VIH); VID = 12.0 ± 0.5V; X = don’t car .
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Mode
CE
OE
WE
A0
A1
A6
A9
DQ0-DQ7
ID read MFR code
L
H
L
VID
Code
ID read device code
L
H
L
VID
Code
Read
L
H
A0A1A6A9DOUT
Standby
H
XXX
High Z
Output disable
L
H
X
High Z
Write
L
H
L
A0
A1
A6
A9
DIN
Enable sector protect
L
VID
Pulse/L
L
H
L
VID
X
Sector unprotect
L
VID
Pulse/L
L
HHVID
X
Verify sector protect
L
H
L
H
L
VID
Code
Item
Description
ID MFR code,
device code
Selected by A9 = VID(11.5–12.5V), CE = OE = A1 = A6 = L, enabling outputs.
When A0 is low (VIL) the output data = 52h, a unique Mfr. code for Alliance Semiconductor Flash products.
When A0 is high (VIH), DOUT represents the device code for the AS29F040.
Read mode
Selected with CE = OE = L, WE = H. Data is valid in tACC time after addresses are stable, tCE after CE is low
and tOE after OE is low.
Standby
Selected with CE = H. Part is powered down, and ICC reduced to <1.0 mA for TTL input levels and <100 A
for CMOS levels. If activated during an automated on-chip algorithm, the device completes the operation
before entering standby.
Output disable Part remains powered up; but outputs disabled with OE pulled high.
Write
Selected with CE = WE = L, OE = H. Accomplish all Flash erasure and programming through the command
register. Contents of command register serve as inputs to the internal state machine. Address latching occurs
on the falling edge of WE or CE, whichever occurs late . Data latching occurs on the rising edge WE or CE,
whichever occurs first. Filters on WE prevent spurious noise events from appearing as write commands.
Enable
sector protect
Hardware protection circuitry implemented with external programming equipment causes the device to
disable program and erase operations for specified sectors.
Sector
unprotect
Disables sector protection for all sectors using external programming equipment. All sectors must be
protected prior to sector unprotection.
Verify
sector protect
Verifies write protection for sector. Sectors are protected from program/erase operations on commercial
programming equipment. Determine if sector protection exists in a system by writing the ID read command
sequence and reading location XXX02h, where address bits A16–18 select the defined sector addresses.
A logical 1 on DQ0 indicates a protected sector; a logical 0 indicates an unprotected sector.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS29F040-55LC | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:5V 512K x 8 CMOS FLASH EEPROM |
| AS29F040-55LI | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:5V 512K x 8 CMOS FLASH EEPROM |
| AS29F040-55TC | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:5V 512K x 8 CMOS FLASH EEPROM |
| AS29F040-55TI | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:5V 512K x 8 CMOS FLASH EEPROM |
| AS29F040-70LC | 制造商:Alliance Memory Inc 功能描述: |
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