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參數(shù)資料
| 型號： | AM50DL128CG70IS |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | 存儲器 |
| 英文描述： | 64 Megabit (4 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memories and 64 Mbit (4 M x 16-Bit) Pseudo Static RAM |
| 中文描述： | SPECIALTY MEMORY CIRCUIT, PBGA88 |
| 封裝： | 11.60 X 8 MM, FBGA-88 |
| 文件頁數(shù)： | 31/63頁 |
| 文件大?。?/td> | 464K |
| 代理商： | AM50DL128CG70IS |
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30
Am50DL128CG
November 7, 2002
P R E L I M I N A R Y
Table 11.
Am29DL640G Command Definitions
Legend:
X = Don’t care
RA = Address of the memory location to be read.
RD = Data read from location RA during read operation.
PA = Address of the memory location to be programmed. Addresses
latch on the falling edge of the WE# or CE#f pulse, whichever happens
later.
PD = Data to be programmed at location PA. Data latches on the rising
edge of WE# or CE#f pulse, whichever happens first.
SADD = Address of the sector to be verified (in autoselect mode) or
erased. Address bits A21–A12 uniquely select any sector. Refer to
Table 2 for information on sector addresses.
BA = Address of the bank that is being switched to autoselect mode, is
in bypass mode, or is being erased. Address bits A21–A19 select a
bank. Refer to Table 3 for information on sector addresses.
Notes:
1.
2.
3.
See Tables 1 for description of bus operations.
All values are in hexadecimal.
Except for the read cycle and the fourth cycle of the autoselect
command sequence, all bus cycles are write cycles.
Data bits DQ15–DQ8 are don’t care in command sequences,
except for RD and PD.
Unless otherwise noted, address bits A21–A12 are don’t cares for
unlock and command cycles, unless SADD or PA is required.
No unlock or command cycles required when bank is reading
array data.
The Reset command is required to return to the read mode (or to
the erase-suspend-read mode if previously in Erase Suspend)
when a bank is in the autoselect mode, or if DQ5 goes high (while
the bank is providing status information).
The fourth cycle of the autoselect command sequence is a read
cycle. The system must provide the bank address to obtain the
manufacturer ID, device ID, or SecSi Sector factory protect
information. Data bits DQ15–DQ8 are don’t care. See the
Autoselect Command Sequence section for more information.
4.
5.
6.
7.
8.
9.
The device ID must be read across the fourth, fifth, and sixth
cycles.
10. The data is 80h for factory locked and 00h for not factory locked.
11. The data is 00h for an unprotected sector/sector block and 01h
for a protected sector/sector block.
12. The Unlock Bypass command is required prior to the Unlock
Bypass Program command.
13. The Unlock Bypass Reset command is required to return to the
read mode when the bank is in the unlock bypass mode.
14. The system may read and program in non-erasing sectors, or
enter the autoselect mode, when in the Erase Suspend mode.
The Erase Suspend command is valid only during a sector erase
operation, and requires the bank address.
15. The Erase Resume command is valid only during the Erase
Suspend mode, and requires the bank address.
16. Command is valid when device is ready to read array data or when
device is in autoselect mode.
Command
Sequence
(Note 1)
C
1
1
Bus Cycles (Notes 2–5)
Third
Addr
Data
First
Second
Addr
Fourth
Addr
Fifth
Sixth
Addr
RA
XXX
Data
RD
F0
Data
Data
Addr
Data
Addr
Data
Read (Note 6)
Reset (Note 7)
A
Manufacturer ID
Word
4
555
AA
2AA
55
(BA)555
90
(BA)X00
01
Device ID (Note 9)
SecSi Sector Factory
Protect (Note 10)
Sector/Sector Block
Protect Verify
(Note 11)
Word
6
555
AA
2AA
55
(BA)555
90
(BA)X01
7E
(BA)X0E
02
(BA)X0F
01
Word
4
555
AA
2AA
55
(BA)555
90
(BA)X03 80/00
Word
4
555
AA
2AA
55
(BA)555
90
(SADD)
X02
00/01
Enter SecSi Sector Region
Word
3
555
AA
2AA
55
555
88
Exit SecSi Sector Region
Word
4
555
AA
2AA
55
555
90
XXX
00
Program
Word
4
555
AA
2AA
55
555
A0
PA
PD
Unlock Bypass
Word
3
555
AA
2AA
55
555
20
Unlock Bypass Program (Note 12)
Unlock Bypass Reset (Note 13)
Chip Erase
Sector Erase
Erase Suspend (Note 14)
Erase Resume (Note 15)
2
2
6
6
1
1
XXX
XXX
555
555
BA
BA
A0
90
AA
AA
B0
30
PA
XXX
2AA
2AA
PD
00
55
55
Word
Word
555
555
80
80
555
555
AA
AA
2AA
2AA
55
55
555
SADD
10
30
CFI Query (Note 16)
Word
1
55
98
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| AM50DL128CH_04 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Two Am29DL640G 64 Megabit (4 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memories |
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