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參數(shù)資料
| 型號(hào)： | X28C256JMB-20 |
| 英文描述： | 5 Volt, Byte Alterable E2PROM |
| 中文描述： | 5伏，可變E2PROM的字節(jié) |
| 文件頁(yè)數(shù)： | 8/24頁(yè) |
| 文件大?。?/td> | 113K |
| 代理商： | X28C256JMB-20 |
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8
X28C256
RESETTING SOFTWARE DATA PROTECTION
Figure 8. Reset Software Data Protection Timing Sequence
3855 FHD F18
Figure 9. Software Sequence to
Deactivate Software Data Protection
WRITE DATA 55
TO ADDRESS
2AAA
WRITE DATA 55
TO ADDRESS
2AAA
WRITE DATA 80
TO ADDRESS
5555
WRITE DATA AA
TO ADDRESS
5555
WRITE DATA 20
TO ADDRESS
5555
WRITE DATA AA
TO ADDRESS
5555
3855 FHD F19
In the event the user wants to deactivate the software
data protection feature for testing or reprogramming in
an E
2
PROM programmer, the following six step algo-
rithm will reset the internal protection circuit. After t
WC
,
the X28C256 will be in standard operating mode.
Note:
Once nitiated, he sequence of write operations
should not be interrupted.
CE
WE
STANDARD
OPERATING
MODE
VCC
DATA
ADDR.
AA
5555
55
2AAA
80
5555
≥
tWC
AA
5555
55
2AAA
20
5555
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| X28C256JMB-25 | Aluminum Electrolytic Radial Leaded General Purpose Capacitor; Capacitance: 3300uF; Voltage: 50V; Case Size: 18x35.5 mm; Packaging: Bulk |
| X28C256JMB-35 | Aluminum Electrolytic Radial Leaded General Purpose Capacitor; Capacitance: 6800uF; Voltage: 50V; Case Size: 22x50 mm; Packaging: Bulk |
| X28C256 | Linear Voltage Regulator IC; Output Current Max:150mA; Dropout Voltage, Vdo:150mV; Supply Voltage Max:6.5V; Package/Case:5-SOT-23; Output Voltage:2.9V; Leaded Process Compatible:No; Operating Temp. Max:85 C |
| X28C256D | 5 Volt, Byte Alterable E2PROM |
| X28C256DI | 5 Volt, Byte Alterable E2PROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X28C256JMB-25 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:5 Volt, Byte Alterable E2PROM |
| X28C256JMB-35 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:5 Volt, Byte Alterable E2PROM |
| X28C256K | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:5 Volt, Byte Alterable E2PROM |
| X28C256K-20 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:5 Volt, Byte Alterable E2PROM |
| X28C256K-25 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:5 Volt, Byte Alterable E2PROM |
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