AM29F160DB-90EI Spansion Inc., AM29F160DB-90EI Datasheet - Page 24

• Manufacturer Part Number: AM29F160DB-90EI
• Description: Flash Memory IC
• Manufacturer: Spansion Inc.

Specifications of AM29F160DB-90EI

• Memory Size: 16Mbit
• Memory Configuration: 2M X 8 / 1M X 16
• Ic Interface Type: Parallel
• Access Time: 90ns
• No. Of Pins: 48
• Operating Temperature Range: -40°C To +85°C
• Termination Type: SMD
• Memory Voltage, Vcc: 5V
• 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. See Table 1 for description of bus operations.
2. All values are in hexadecimal.
3. Except when reading array or autoselect data, all bus cycles are
4. Data bits DQ15–DQ8 are don’t cares for unlock and command
5. Address bits A19–A11 are don’t cares for unlock and command
6. No unlock or command cycles required when reading array data.
7. The Reset command is required to return to reading array data
8. The fourth cycle of the autoselect command sequence is a read
22
Read (Note 6)
Reset (Note 7)
CFI Query (Note 10)
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)
write operations.
cycles.
cycles, unless SA or PA required.
when device is in the autoselect mode, CFI query mode, or if
DQ5 goes high (while the device is providing status data).
cycle.
Manufacturer ID
Device ID,
Top Boot Block
Device ID,
Bottom Boot Block
Sector Protect Verify
(Note 9)
Command
Sequence
(Note 1)
Word
Word
Word
Word
Word
Word
Word
Word
Word
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
1
1
1
4
4
4
4
4
3
2
2
6
6
1
1
Table 9. Am29F160D Command Definitions
Addr
XXX
AAA
AAA
AAA
AAA
AAA
AAA
AAA
XXX
XXX
AAA
AAA
XXX
XXX
555
555
555
555
555
555
555
555
555
RA
First
Data
RD
AA
AA
AA
AA
AA
AA
AA
AA
F0
A0
B0
98
90
30
Addr
XXX
2AA
2AA
2AA
2AA
2AA
2AA
2AA
2AA
555
555
555
555
555
555
555
555
Am29F160D
PA
Second
Data
PD
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 A19–A12 uniquely select any sector.
9. The data is 00h for an unprotected sector and 01h for a protected
10. Command is valid when device is ready to read array data or
11. The Unlock Bypass command is required prior to the Unlock
12. The Unlock Bypass Reset command is required to return to
13. The system may read and program in non-erasing sectors, or
14. The Erase Resume command is valid only during the Erase Sus-
sector. See “Autoselect Command Sequence” for more
information.
when device is in autoselect mode.
Bypass Program command.
reading array data 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.
pend mode.
Addr
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
555
555
555
555
555
555
555
555
Bus Cycles (Notes 2–5)
Third
Data Addr
A0
90
90
90
90
20
80
80
(SA)
(SA)
AAA
AAA
X00
X01
X02
X01
X02
X02
X04
555
555
PA
Fourth
XX00
XX01
Data
22D2
22D8
PD
D2
D8
AA
AA
01
00
01
Addr Data
2AA
2AA
555
555
Fifth
55
55
Addr
AAA
555
SA
Sixth
Data
10
30