M28W320FCT70ZB6E Micron Technology Inc, M28W320FCT70ZB6E Datasheet - Page 27

• Manufacturer Part Number: M28W320FCT70ZB6E
• Manufacturer: Micron Technology Inc

Specifications of M28W320FCT70ZB6E

• Cell Type: NOR
• Density: 32Mb
• Access Time (max): 70ns
• Interface Type: Parallel
• Boot Type: Top
• Address Bus: 21b
• Operating Supply Voltage (typ): 3/3.3V
• Operating Temp Range: -40C to 85C
• Package Type: TFBGA
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Word Size: 16b
• Number Of Words: 2M
• Supply Current: 18mA
• Mounting: Surface Mount
• Pin Count: 47
• Lead Free Status / Rohs Status: Compliant

Table 10.
1. The lock status is defined by the write protect pin and by DQ1 (‘1’ for a locked-down block) and DQ0 (‘1’ for a locked block)
2. All blocks are locked at power-up, so the default configuration is 001 or 101 according to WP status.
3. A WP transition to V
Current State
as read in the Read Electronic Signature command with A1 = V
Current Protection Status
1,0,1
0,0,1
1,0,0
1,1,0
1,1,1
0,0,0
0,1,1
(WP, DQ1, DQ0)
(2)
(2)
Protection Status
Program/Erase
IH
on a locked block will restore the previous DQ0 value, giving a 111 or 110.
Allowed
yes
yes
yes
no
no
no
no
(1)
Block Lock
Command
After
1,0,1
1,0,1
1,1,1
1,1,1
0,0,1
0,0,1
0,1,1
IH
Block Unlock
Command
and A0 = V
Next Protection Status
After
1,0,0
1,0,0
1,1,0
1,1,0
0,0,0
0,0,0
0,1,1
(WP, DQ1, DQ0)
IL
.
Lock-Down
After Block
Command
1,1,1
1,1,1
1,1,1
1,1,1
0,1,1
0,1,1
0,1,1
(1)
1,1,1 or 1,1,0
WP transition
After
0,0,0
0,0,1
0,1,1
0,1,1
1,0,0
1,0,1
27/69
(3)