M28W640FCT70N6E NUMONYX, M28W640FCT70N6E Datasheet - Page 70
![IC FLASH 64MBIT 70NS 48TSOP](/photos/19/5/190512/4243308_sml.jpg)
M28W640FCT70N6E
Manufacturer Part Number
M28W640FCT70N6E
Description
IC FLASH 64MBIT 70NS 48TSOP
Manufacturer
NUMONYX
Datasheet
1.M28W640FCB70ZB6F.pdf
(77 pages)
Specifications of M28W640FCT70N6E
Format - Memory
FLASH
Memory Type
FLASH - Nor
Memory Size
64M (4M x 16)
Speed
70ns
Interface
Parallel
Voltage - Supply
2.7 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Package / Case
48-TSOP
Memory Configuration
4M X 16
Ic Interface Type
Parallel
Access Time
70ns
Supply Voltage Range
2.7V To 3.6V
Memory Case Style
TSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M28W640FCT70N6E
Manufacturer:
ST
Quantity:
20 000
Flowcharts and pseudo codes
Figure 22. Locking Operations flowchart and pseudo code
70/77
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 () ;
M28W640FCT, M28W640FCB
AI04364