M28W320CB90N6 NUMONYX, M28W320CB90N6 Datasheet - Page 15

• Manufacturer Part Number: M28W320CB90N6
• Description: IC FLASH 32MBIT 90NS 48TSOP
• Manufacturer: NUMONYX

Specifications of M28W320CB90N6

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 32M (2M x 16)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-1694

Table 3. Commands
Note: 1. X = Don't Care.
Table 4. Read Electronic Signature
Note:
Manufacture.
Code
Device Code
Read Memory Array
Read Status Register
Read Electronic Signature
Read CFI Query
Erase
Program
Double Word Program
Clear Status Register
Program/Erase Suspend
Program/Erase Resume
Block Lock
Block Unlock
Block Lock-Down
Protection Register
Program
Code
2. The signature addresses are listed in Tables 4, 5 and 6.
3. Addr 1 and Addr 2 must be consecutive Addresses differing only for A0.
Commands
RP = V
IH
.
M28W320CT
M28W320CB
Device
(3)
Cycles
No. of
1+
1+
1+
1+
2
2
3
1
1
1
2
2
2
2
V
V
V
E
IL
IL
IL
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Bus
Op.
V
V
V
G
1st Cycle
IL
IL
IL
Addr
X
X
X
X
X
X
X
X
X
X
X
X
X
X
V
V
V
W
IH
IH
IH
40h or
Data
FFh
B0h
D0h
C0h
70h
90h
98h
20h
10h
30h
50h
60h
60h
60h
V
V
A0
V
IH
IH
IL
Read
Read
Read
Read
Write
Write
Write
Write
Write
Write
Write
V
V
V
Bus
A1
Op.
IL
IL
IL
Bus Write Operations
A2-A7
2nd Cycle
Signature
CFI Addr
Address
Address
Address
Address
Addr
0
0
0
Addr 1
Block
Block
Block
Addr
Read
Block
Addr
Addr
Addr
X
(2)
Don't Care
Don't Care
Don't Care
A8-A20
Signature
Register
Status
Query
Data
M28W320CT, M28W320CB
Input
Input
Input
Data
Data
Data
Data
D0h
D0h
2Fh
01h
Write
DQ0-DQ7
Bus
Op.
BAh
BBh
20h
3nd Cycle
Addr 2
Addr
DQ8-DQ15
00h
88h
88h
Data
Input
Data
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