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参数资料
| 型号： | HY29LV320BF-12I |
| 厂商： | HYNIX SEMICONDUCTOR INC |
| 元件分类： | DRAM |
| 英文描述： | 32 Mbit (2M x 16) Low Voltage Flash Memory |
| 中文描述： | 2M X 16 FLASH 3V PROM, 120 ns, PBGA63 |
| 封装： | 7 X 11 MM, FBGA-63 |
| 文件页数： | 14/44页 |
| 文件大小： | 323K |
| 代理商： | HY29LV320BF-12I |
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14
r1.3/May 02
HY29LV320
Figure 3. Sector Group Protect Algorithm
START
RESET# = V
ID
WP#/ACC = V
IH
Wait 1 us
First Write Cycle:
Write 0x60 to device
Sector Group Protect:
Write 0x60 to Address
Wait 150 us
Verify Sector Group Protect:
Write 0x40 to Address
Read from Address
Data = 0x01
Protect Another
Sector Group
YES
TRYCNT = 25
NO
Increment TRYCNT
NO
YES
DEVICE FAILURE
YES
NO
RESET# = V
IH
Write Reset Command
SECTOR GROUP
PROTECT COMPLETE
TRYCNT = 1
Set Address:
A[20:12] = Address of Sector
Group to be Protected
A[6] = 0, A[1] = 1, A[0] = 0
Figure 4. Sector Unprotect Algorithm
START
Note:
All sector groups
must be protected prior to
sector unprotection
TRYCNT = 1
SNUM = 0
RESET# = V
ID
WP#/ACC = V
IH
Wait 1 us
First Write Cycle:
Write 0x60 to device
Sector Unprotect:
Write 0x60 to Address
Set Address:
A[20:12] = Address of
Sector Group SNUM
A[6] = 1, A[1] = 1, A[0] = 0
Verify Unprotect:
Write 0x40 to Address
Read from Address
Data = 0x00
SNUM = 20
YES
TRYCNT = 1000
NO
Increment TRYCNT
NO
YES
DEVICE FAILURE
YES
NO
RESET# = V
IH
Write Reset Command
SECTOR UNPROTECT
COMPLETE
SNUM = SNUM + 1
Wait 15 ms
Set Address:
A[6] = 1, A[1] = 1, A[0] = 0
相关PDF资料 |
PDF描述 |
|---|---|
| HY29LV320TT-90 | 32 Mbit (2M x 16) Low Voltage Flash Memory |
| HY29LV320BT-90 | 32 Mbit (2M x 16) Low Voltage Flash Memory |
| HY29LV320TF-70 | 32 Mbit (2M x 16) Low Voltage Flash Memory |
| HY29LV320TF-80 | 32 Mbit (2M x 16) Low Voltage Flash Memory |
| HY29LV320BF-80 | 32 Mbit (2M x 16) Low Voltage Flash Memory |
相关代理商/技术参数 |
参数描述 |
|---|---|
| HY29LV320BF-70 | 制造商:HYNIX 制造商全称:Hynix Semiconductor 功能描述:32 Mbit (2M x 16) Low Voltage Flash Memory |
| HY29LV320BF-70I | 制造商:HYNIX 制造商全称:Hynix Semiconductor 功能描述:32 Mbit (2M x 16) Low Voltage Flash Memory |
| HY29LV320BF-80 | 制造商:HYNIX 制造商全称:Hynix Semiconductor 功能描述:32 Mbit (2M x 16) Low Voltage Flash Memory |
| HY29LV320BF-80I | 制造商:HYNIX 制造商全称:Hynix Semiconductor 功能描述:32 Mbit (2M x 16) Low Voltage Flash Memory |
| HY29LV320BF-90 | 制造商:HYNIX 制造商全称:Hynix Semiconductor 功能描述:32 Mbit (2M x 16) Low Voltage Flash Memory |
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