AM29LV017D-90EC AMD (ADVANCED MICRO DEVICES), AM29LV017D-90EC Datasheet - Page 21

• Manufacturer Part Number: AM29LV017D-90EC
• Description: Flash Memory IC
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of AM29LV017D-90EC

• Memory Configuration: 2M X 8
• Package/case: 32-PLCC
• Supply Voltage Max: 3.6V
• Access Time, Tacc: 90nS
• Mounting Type: Surface Mount
• Supply Voltage: 3V

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 are latched on the falling edge of the WE# or CE#
pulse.
Notes:
1. See Table 1 for descriptions of bus operations.
2. All values are in hexadecimal.
3. Except when reading array or autoselect data, all bus
4. Address bits are don’t care for unlock and command
5. No unlock or command cycles required when device is in
6. The Reset command is required to return to the read
7. The fourth cycle of the autoselect command sequence is
20
Read (Note 5)
Reset (Note 6)
Auto-
select
(Note 7)
CFI Query (Note 9)
Byte Program
Unlock Bypass
Unlock Bypass Program
(Note 9)
Unlock Bypass Reset
(Note 11)
Chip Erase
Sector Erase
Erase Suspend (Note 12)
Erase Resume (Note 13)
Command Sequence
cycles are write operations.
cycles, except when PA or SA is required.
read mode.
mode when the device is in the autoselect mode or if DQ5
goes high.
a read cycle.
(Note 1)
Manufacturer ID
Device ID
Sector Protect
Verify (Note 8)
1
1
4
4
4
1
4
3
2
2
6
6
1
1
Addr
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
RA
55
Table 8. Am29LV017D Command Definitions
First
Data
RD
AA
AA
AA
AA
AA
AA
AA
F0
A0
B0
98
90
30
Addr
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
PA
Second
Am29LV017D
Data
PD
55
55
55
55
55
00
55
55
Addr
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
PD = Data to be programmed at location PA. Data is latched
on the rising edge of WE# or CE# pulse.
SA = Address of the sector to be erased or verified. Address
bits A20–A16 uniquely select any sector.
8. The data is 00h for an unprotected sector and 01h for a
9. Command is valid when device is ready to read array data
10. The Unlock Bypass command is required prior to the
11. The Unlock Bypass Reset command is required to return
12. The system may read and program functions in non-
13. The Erase Resume command is valid only during the
Bus Cycles (Notes 2–4)
Third
protected sector.
or when device is in autoselect mode.
Unlock Bypass Program command.
to reading array data when the device is in the Unlock
Bypass mode.
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.
Erase Suspend mode.
Data
A0
90
90
90
20
80
80
Addr
XXX
XXX
X00
X01
X02
SA
PA
Fourth
Data
PD
AA
AA
C8
01
00
01
Addr
XXX
XXX
Fifth
Data
55
55
Addr
XXX
SA
Sixth
Data
10
30