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参数资料
| 型号： | X28HC64P-12 |
| 厂商： | Intersil |
| 文件页数： | 6/17页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 64KBIT 120NS 28DIP |
| 标准包装： | 13 |
| 格式 - 存储器： | EEPROMs - 并行 |
| 存储器类型： | EEPROM |
| 存储容量： | 64K (8K x 8) |
| 速度： | 120ns |
| 接口： | 并联 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 工作温度： | 0°C ~ 70°C |
| 封装/外壳： | 28-DIP（0.600"，15.24mm） |
| 供应商设备封装： | 28-PDIP |
| 包装： | 管件 |
X28HC64
Software Data Protection
V CC
0V
(V CC )
DATA
ADDR
AAA
1555
55
0AAA
A0
1555
WRITES
OK
t WC
WRITE
PROTECTED
CE
WE
≤ t BLC MAX
BYTE
OR
PAGE
FIGURE 6. TIMING SEQUENCE—BYTE OR PAGE WRITE
Regardless of whether the device has previously been
WRITE DATA AA
TO ADDRESS
1555
WRITE DATA 55
TO ADDRESS
0AAA
protected or not, once the software data protection algorithm
is used, the X28HC64 will automatically disable further
writes unless another command is issued to deactivate it. If
no further commands are issued the X28HC64 will be write
protected during power-down and after any subsequent
power-up.
Note: Once initiated, the sequence of write operations
should not be interrupted.
WRITE DATA A0
TO ADDRESS
1555
BYTE/PAGE
LOAD ENABLED
WRITE DATA XX
TO ANY
ADDRESS
OPTIONAL
BYTE/PAGE
LOAD OPERATION
WRITE LAST
BYTE TO
LAST ADDRESS
AFTER T WC
RE-ENTERS DATA
PROTECTED STATE
FIGURE 7. WRITE SEQUENCE FOR SOFTWARE DATA
PROTECTION
6
FN8109.2
August 28, 2009
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相关代理商/技术参数 |
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|---|---|
| X28HC64P-50 | 制造商:XICOR 制造商全称:Xicor Inc. 功能描述:5 Volt, Byte Alterable E2PROM |
| X28HC64P-55 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:x8 EEPROM |
| X28HC64P70 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:IC |
| X28HC64P-70 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Intersil Corporation 功能描述: |
| X28HC64P-90 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Intersil Corporation 功能描述: |
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