M28W640FCT70N6E NUMONYX, M28W640FCT70N6E Datasheet - Page 22
![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
Command interface
4.14
4.15
22/77
Block Unlock command
The Block Unlock command is used to unlock a block, allowing the block to be programmed
or erased. Two Bus Write cycles are required to issue the Block Unlock command.
●
●
The lock status can be monitored for each block using the Read Electronic Signature
command.
Refer to the section, Block Locking, for a detailed explanation.
Block Lock-Down command
A locked block cannot be Programmed or Erased, or have its protection status changed
when WP is low, V
locked blocks can be individually unlocked by the Block Unlock command.
Two Bus Write cycles are required to issue the Block Lock-Down command.
●
●
The lock status can be monitored for each block using the Read Electronic Signature
command. Locked-Down blocks revert to the locked (and not locked-down) state when the
device is reset on power-down.
Lock-Down command. Refer to the section, Block Locking, for a detailed explanation.
The first bus cycle sets up the Block Unlock command.
The second Bus Write cycle latches the block address.
The first bus cycle sets up the Block Lock command.
The second Bus Write cycle latches the block address.
Table 10
IL
. When WP is high, V
shows the protection status after issuing a Block Unlock command.
Table 10
shows the protection status after issuing a Block
IH,
the Lock-Down function is disabled and the
M28W640FCT, M28W640FCB