AM29LV800DT-90ED Spansion Inc., AM29LV800DT-90ED Datasheet - Page 21

• Manufacturer Part Number: AM29LV800DT-90ED
• Description: Flash Memory IC
• Manufacturer: Spansion Inc.
• Series: AM29r

Specifications of AM29LV800DT-90ED

• Memory Size: 8Mbit
• Package/case: 48-TSOP
• Supply Voltage Max: 3V
• Leaded Process Compatible: Yes
• Peak Reflow Compatible (260 C): Yes
• Access Time, Tacc: 90nS
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
4. Data bits DQ15–DQ8 are don’t cares for unlock and
5. Address bits A18–A11 are don’t cares for unlock and
6. No unlock or command cycles required when reading array
7. The Reset command is required to return to reading array
8. The fourth cycle of the autoselect command sequence is a
Am29LV800D_00_A6 May 5, 2006
Read (Note 6)
Reset (Note 7)
Program
Unlock Bypass
Unlock Bypass Program (Note 10) 2
Unlock Bypass Reset (Note 11)
Chip Erase
Sector Erase
Erase Suspend (Note 12)
Erase Resume (Note 13)
cycles are write operations.
command cycles.
command cycles, unless PA or SA required.
data.
data when device is in the autoselect mode, or if DQ5 goes
high (while the device is providing status data).
read 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
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Table 5. Am29LV800D Command Definitions
1
1
4
4
4
4
4
3
2
6
6
1
1
Addr
AAA
XXX
XXX
XXX
AAA
AAA
AAA
AAA
AAA
555
AAA
AAA
XXX
XXX
555
555
555
555
555
555
555
RA
First
Data
RD
AA
AA
AA
AA
AA
AA
AA
AA
F0
A0
B0
90
30
D A T A
Addr
2AA
2AA
2AA
2AA
2AA
2AA
XXX
2AA
2AA
Am29LV800D
555
555
555
555
555
555
555
555
PA
Second
Data
PD
55
55
55
55
55
55
00
55
55
S H E E T
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 A18–A12 uniquely select any
sector.
9. The data is 00h for an unprotected sector and 01h for a
10. The Unlock Bypass command is required prior to the
11. The Unlock Bypass Reset command is required to return to
12. The system may read and program in non-erasing sectors,
13. The Erase Resume command is valid only during the
protected sector. See “Autoselect Command Sequence” for
more information.
Unlock Bypass Program command.
reading array data when the device is in the unlock bypass
mode.
or enter the autoselect mode, when in the Erase Suspend
mode. The Erase Suspend command is valid only during a
sector erase operation.
Erase Suspend 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
90
90
90
90
A0
20
80
80
Addr
(SA)
(SA)
AAA
AAA
X00
X01
X02
X01
X02
X02
X04
555
555
PA
Fourth
22DA
XX00
XX01
225B
Data
DA
PD
AA
AA
01
5B
00
01
Addr
2AA
2AA
555
555
Fifth
Data
55
55
Addr
AAA
555
SA
Sixth
Data
10
30
19