AM29DL323GB90EI AMD (ADVANCED MICRO DEVICES), AM29DL323GB90EI Datasheet - Page 27

• Manufacturer Part Number: AM29DL323GB90EI
• Description: Flash Memory IC
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of AM29DL323GB90EI

• Memory Configuration: 4M X 8 / 2M X 16 Bit
• Supply Voltage Max: 3.6V
• Access Time, Tacc: 90nS
• Mounting Type: Surface Mount
• Supply Voltage: 3V

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# pulse, whichever happens
later.
Notes:
1.
2. All values are in hexadecimal.
3. Except for the read cycle and the fourth cycle of the autoselect
4. Data bits DQ15–DQ8 are don’t care in command sequences,
5. Unless otherwise noted, address bits A20–A11 are don’t cares.
6. No unlock or command cycles required when bank is reading
7. The Reset command is required to return to the read mode (or to
8. The fourth cycle of the autoselect command sequence is a read
March 26, 2004
Read (Note 6)
Reset (Note 7)
Enter SecSi Sector Region
Exit SecSi Sector Region
Program
Unlock Bypass
Unlock Bypass Program (Note 11)
Unlock Bypass Reset (Note 12)
Chip Erase
Sector Erase
Erase Suspend (Note 13)
Erase Resume (Note 14)
CFI Query (Note 15)
See Table 1 for description of bus operations.
command sequence, all bus cycles are write cycles.
except for RD and PD.
array data.
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).
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
Manufacturer ID
Device ID
SecSi™ Sector Factory
Protect (Note 9)
Sector/Sector Block
Protect Verify
(Note 10)
Command
Sequence
(Note 1)
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
section for more information.
1
1
4
4
4
4
3
4
4
3
2
2
6
6
1
1
1
A D V A N C E
Addr
XXX
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
XXX
AAA
AAA
555
555
555
555
555
555
555
555
555
555
RA
BA
BA
BA
AA
55
First
Table 13. Command Definitions
Data
RD
AA
AA
AA
AA
AA
AA
AA
AA
A0
AA
AA
B0
F0
90
30
98
Addr
2AA
2AA
2AA
2AA
2AA
2AA
2AA
2AA
XXX
2AA
2AA
555
555
555
555
555
555
555
555
555
555
PA
Second
Am29DL32xG
Data
PD
I N F O R M A T I O N
55
55
55
55
55
55
55
55
00
55
55
(BA)AAA
(BA)AAA
(BA)AAA
(BA)AAA
(BA)555
(BA)555
(BA)555
(BA)555
PD = Data to be programmed at location PA. Data latches on the rising
edge of WE# or CE# pulse, whichever happens first.
SA = Address of the sector to be verified (in autoselect mode) or
erased. Address bits A20–A12 uniquely select any sector.
BA = Address of the bank that is being switched to autoselect mode, is
in bypass mode, or is being erased.
9. The data is 82h for factory locked and 02h for not factory locked.
10. The data is 00h for an unprotected sector/sector block and 01h
11. The Unlock Bypass command is required prior to the Unlock
12. The Unlock Bypass Reset command is required to return to the
13. The system may read and program in non-erasing sectors, or
14. The Erase Resume command is valid only during the Erase
15. Command is valid when device is ready to read array data or when
Addr
AAA
AAA
AAA
AAA
AAA
AAA
555
555
555
555
555
555
for a protected sector/sector block.
Bypass Program command.
read mode when the bank is in the unlock bypass mode.
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.
Suspend mode, and requires the bank address.
device is in autoselect mode.
Third
Bus Cycles (Notes 2–5)
Data
A0
90
90
90
90
88
90
20
80
80
(BA)X00
(BA)X01
(BA)X02
(BA)X03
(BA)X06
(SA)X02
(SA)X04
Addr
XXX
AAA
AAA
555
555
PA
Fourth
Table
82/02
00/01
Data
(see
PD
AA
AA
01
00
6)
Addr
2AA
2AA
555
555
Fifth
Data
55
55
Addr
AAA
555
SA
Sixth
Data
10
30
27