AM29LV320DT90EI AMD (ADVANCED MICRO DEVICES), AM29LV320DT90EI Datasheet - Page 31

• Manufacturer Part Number: AM29LV320DT90EI
• Description: Flash Memory IC
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of AM29LV320DT90EI

• Memory Configuration: 4M X 8 / 2M X 16 Bit
• Package/case: 48-TSOP
• Supply Voltage Max: 3.6V
• Leaded Process Compatible: No
• Peak Reflow Compatible (260 C): No
• Access Time, Tacc: 90nS
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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# 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 device is in read
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
December 14, 2005
Read (Note 6)
Reset (Note 7)
Enter
Exit
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.
mode.
the erase-suspend-read mode if previously in Erase Suspend)
when a device is in the autoselect mode, or if DQ5 goes high
(while the device is providing status information).
cycle. Data bits DQ15–DQ8 are don’t care. See the
Command Sequence
Secured Silicon
Manufacturer ID
Device ID
Secured Silicon
Factory Protect (Note
9)
Sector Protect Verify
(Note 10)
Secured Silicon Sector
Command
Sequence
(Note 1)
Sector
section for more information.
Word
Word
Word
Word
Byte
Word
Word
Word
Word
Word
Word
Word
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
1
1
4
4
4
4
3
4
4
3
2
2
6
6
1
1
1
Table 14. Am29LV320D Command Definitions
Addr
AAA
XXX
AAA
AAA
AAA
AAA
AAA
AAA
AAA
XXX
XXX
AAA
AAA
XXX
XXX
555
555
555
555
555
555
555
555
555
555
RA
AA
55
First
Data
RD
AA
AA
AA
AA
AA
AA
AA
AA
A0
AA
AA
B0
F0
90
30
98
Autoselect
D A T A S H E E T
Addr
2AA
2AA
2AA
2AA
555
2AA
2AA
2AA
2AA
XXX
2AA
2AA
555
555
555
555
555
555
555
555
555
PA
Second
Am29LV320D
Data
PD
55
55
55
55
55
55
55
55
00
55
55
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.
9. The data is 99h for factory locked and 19h for not factory locked.
10. The data is 00h for an unprotected sector and 01h for a protected
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
AAA
AAA
AAA
AAA
555
555
555
555
555
555
555
555
555
555
sector.
Bypass Program command.
read mode when the device 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.
Suspend mode.
device is in autoselect mode.
Third
Bus Cycles (Notes 2–5)
Data
A0
90
90
90
90
88
90
20
80
80
(SA)X02
(SA)X04
Addr
XXX
AAA
AAA
X00
X01
X02
X03
X06
555
555
PA
Fourth
Table 6)
99/19
00/01
Data
(see
PD
AA
AA
01
00
Addr
2AA
2AA
555
555
Fifth
Data
55
55
Addr
AAA
555
SA
Sixth
Data
10
30
29