M28W320CB90N6 NUMONYX, M28W320CB90N6 Datasheet - Page 49
![IC FLASH 32MBIT 90NS 48TSOP](/photos/7/25/72509/m28w320cb90n6_sml.jpg)
M28W320CB90N6
Manufacturer Part Number
M28W320CB90N6
Description
IC FLASH 32MBIT 90NS 48TSOP
Manufacturer
NUMONYX
Datasheet
1.M28W320CB90N6.pdf
(53 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
M28W320CB90N6
Manufacturer:
ST
Quantity:
6 100
Company:
Part Number:
M28W320CB90N6
Manufacturer:
ST
Quantity:
6 100
Company:
Part Number:
M28W320CB90N6
Manufacturer:
ST
Quantity:
8 430
Company:
Part Number:
M28W320CB90N6
Manufacturer:
ST
Quantity:
215
Part Number:
M28W320CB90N6
Manufacturer:
ST
Quantity:
20 000
Company:
Part Number:
M28W320CB90N6BD
Manufacturer:
ST
Quantity:
8 470
Figure 26. Locking Operations Flowchart and Pseudo Code
01h, D0h or 2Fh
Read Block
Lock States
confirmed?
Write FFh
Write 60h
Write 90h
Locking
change
Write
Start
End
YES
NO
locking_operation_command (address, lock_operation) {
}
writeToFlash (any_address, 0xFF) ; /*Reset to Read Array mode*/
writeToFlash (any_address, 0x60) ; /*configuration setup*/
if (lock_operation==LOCK) /*to protect the block*/
else if (lock_operation==UNLOCK) /*to unprotect the block*/
else if (lock_operation==LOCK-DOWN) /*to lock the block*/
if (readFlash (address) ! = locking_state_expected)
writeToFlash (address, 0x01) ;
writeToFlash (address, 0xD0) ;
writeToFlash (address, 0x2F) ;
writeToFlash (any_address, 0x90) ;
/*Check the locking state (see Read Block Signature table )*/
error_handler () ;
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