MBM29F080A-55PF SPANSION [SPANSION], MBM29F080A-55PF Datasheet - Page 10

• Manufacturer Part Number: MBM29F080A-55PF
• Description: FLASH MEMORY CMOS 8M (1M x 8) BIT
• Manufacturer: SPANSION [SPANSION]

Notes :
*1: Either of the two reset commands will reset the device.
*2: The fourth bus cycle is only for read.
Read/Reset*
Reset/Read*
Manufacture Code
Device Code
Byte Program
Chip Erase
Sector Erase
Sector Erase Suspend
Sector Erase Resume
Command
Sequence
Address bits A
Sector Address (SA).
Bus operations are defined in “MBM29F080A User Bus Operations Table” in “ FLEXIBLE SECTOR-
ERASE ARCHITECTURE”.
RA
PA
the WE pulse.
SA
any sector.
RD
PD
Read and Byte program functions to non-erasing sectors are allowed in the Erase Suspend mode.
The system should generate the following address pattens: 555h or 2AAh to addresses A
The command combinations not described in “MBM29F080A Command Definitions Table” in “ FLEXIBLE
SECTOR-ERASE ARCHITECTURE” are illegal.
1
1
Address of the memory location to be programmed. Addresses are latched on the falling edge of
Address of the sector to be erased. The combination of A
Address of the memory location to be read.
Data to be programmed at location PA. Data is latched on the rising edge of WE.
Data read from location RA during read operation.
Cycles
Req'd
Write
Bus
6
1
3
3
3
4
6
11
to A
Write Cycle
Erase can be suspended during sector erase with Addr (“H” or “L”), Data (B0h)
Erase can be resumed after suspend with Addr (“H” or “L”), Data (30h)
Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data
XXXh F0h
555h AAh
555h AAh
555h AAh
555h AAh
555h AAh
555h AAh
First Bus
19
MBM29F080A Command Definitions Table
X
“H” or “L” for all address commands except or Program Address (PA) and
Second Bus
Write Cycle
2AAh
2AAh
2AAh
2AAh
2AAh
2AAh
—
55h
55h
55h
55h
55h
55h
—
Write Cycle
555h
555h
555h
555h
555h
555h
Third Bus
—
F0h
A0h
90h
90h
80h
80h
—
MBM29F080A
00h*
01h*
555h
555h
Fourth Bus
RA*
Read/Write
PA
19
—
, A
Cycle
2
2
2
18
, A
04h*
05h*
RD*
AAh
AAh
PD
—
17
, and A
2
2
2
Write Cycle
2AAh
2AAh
Fifth Bus
—
—
—
—
—
16
will uniquely select
55h
55h
—
—
—
—
—
0
-55/-70/-90
Write Cycle
555h
to A
Sixth Bus
SA
—
—
—
—
—
10
.
10h
30h
—
—
—
—
—
9