S29AL032D90TFI000 Spansion Inc., S29AL032D90TFI000 Datasheet - Page 39

• Manufacturer Part Number: S29AL032D90TFI000
• Description: Flash Memory IC
• Manufacturer: Spansion Inc.

Specifications of S29AL032D90TFI000

• Memory Size: 32Mbit
• Memory Configuration: 4M X 8
• Ic Interface Type: CFI, Parallel
• Access Time: 90ns
• Supply Voltage Range: 2.7 To 3.6 V
• Memory Case Style: TSOP
• No. Of Pins: 40
• Memory Type: Uniform Sector Flash
• Interface Type: CFI
• Rohs Compliant: Yes
• Cell Type: NOR
• Density: 32Mb
• Access Time (max): 90ns
• Boot Type: Top
• Address Bus: 22/21Bit
• Operating Supply Voltage (typ): 3/3.3V
• Operating Temp Range: -40C to 85C
• Package Type: TSOP
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Word Size: 8/16Bit
• Number Of Words: 4M/2M
• Supply Current: 35mA
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / Rohs Status: Compliant

11.10 Command Definitions Table
Legend
Notes
January 19, 2007 S29AL032D_00_A9
Read
Reset
Enter Secured Silicon Sector Region
Exit Secured Silicon Sector Region
Byte Program
Unlock Bypass
Unlock Bypass Program
(Note 9)
Unlock Bypass Reset
(Note 10)
Chip Erase
Sector Erase
Erase Suspend
Erase Resume
CFI Query
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, whichever happens later.
1. See
2. All values are in hexadecimal. Except when reading array or autoselect data,
3. Address bits are don’t care for unlock and command cycles, except when PA
4. No unlock or command cycles required when device is in read mode.
5. The Reset command is required to return to the read mode when the device
6. The fourth cycle of the autoselect command sequence is a read cycle.
7. In the third and fourth cycles of the command sequence, set A21 to 0.
8. In the third cycle of the command sequence, address bit A21 must be set to
all bus cycles are write operations.
or SA is required.
is in the autoselect mode or if DQ5 goes high.
0 if verifying sectors 0–31, or to 1 if verifying sectors 32–64. The data in the
fourth cycle is 00h for an unprotected sector/sector block and 01h for a
protected sector/sector block.
(Note 4)
(Note 7)
Table 7.1 on page 12
Manufacturer ID
Device ID
Secured Silicon Sector Factory
Protect
Sector Protect Verify
(Note 8)
Command Sequence
(Note 13)
(Note 12)
(Note 11)
(Note 14)
(Note 1)
(Note 7)
(Note 7)
for descriptions of bus operations.
Table 11.1 S29AL032D Command Definitions — Model 00
1
1
4
4
4
4
3
4
4
3
2
2
6
6
1
1
1
Addr
XXX
XXX
XXX
AAA
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
RA
D a t a
First
Data
RD
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
F0
A0
90
B0
30
98
S h e e t
Addr
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
555
PA
Second
S29AL032D
Data
PD
55
55
55
55
55
55
55
55
00
55
55
PD = Data to be programmed at location PA. Data is latched on the rising edge
of WE# or CE# pulse, whichever happens first.
SA = Address of the sector to be erased or verified. Address bits A21–A16
uniquely select any sector.
9. The Unlock Bypass command is required prior to the Unlock Bypass
10. The Unlock Bypass Reset command is required to return to reading array
11. The system may read and program functions in non-erasing sectors, or enter
12. The Erase Resume command is valid only during the Erase Suspend mode.
13. Command is valid when device is ready to read array data or when device is
14. The data is 85h for factory locked and 05h for not factory locked.
Program command.
data when the device is in the Unlock Bypass mode.
the autoselect mode, when in the Erase Suspend mode. The Erase Suspend
command is valid only during a sector erase operation.
in autoselect mode.
0XXXXX
0XXXXX
0XXXXX
2XXXXX
Addr
AAA
XXX
XXX
XXX
XXX
XXX
XXX
or
Third
Bus Cycles (Notes 2–3)
Data
90
90
90
90
88
90
A0
20
80
80
0XXX00
0XXX01
Addr
XXX
XXX
XXX
XXX
X06
X02
SA
PA
Fourth
85/05
Data
PD
AA
AA
01
A3
00
01
00
Addr
XXX
XXX
Fifth
Data
55
55
Addr
XXX
SA
Sixth
Data
10
30
37