M28W640HCB70ZB6E NUMONYX, M28W640HCB70ZB6E Datasheet - Page 27
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M28W640HCB70ZB6E
Manufacturer Part Number
M28W640HCB70ZB6E
Description
Manufacturer
NUMONYX
Datasheet
1.M28W640HCB70ZB6E.pdf
(72 pages)
Specifications of M28W640HCB70ZB6E
Cell Type
NOR
Density
64Mb
Access Time (max)
70ns
Interface Type
Parallel
Boot Type
Bottom
Address Bus
22b
Operating Supply Voltage (typ)
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
4M
Supply Current
18mA
Mounting
Surface Mount
Pin Count
48
Lead Free Status / RoHS Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M28W640HCB70ZB6E
Manufacturer:
ST
Quantity:
20 000
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
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
Current Protection status
a locked block) as read in the Read Electronic Signature command with A1 = V
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
allowed
IH
yes
yes
yes
on a locked block will restore the previous DQ0 value, giving a 111 or 110.
no
no
no
no
(1)
After Block
command
Lock
1,0,1
1,0,1
1,1,1
1,1,1
0,0,1
0,0,1
0,1,1
After Block
command
Unlock
Next Protection status
1,0,0
1,0,0
1,1,0
1,1,0
0,0,0
0,0,0
0,1,1
(WP, DQ1, DQ0)
After Block
Lock-down
command
1,1,1
1,1,1
1,1,1
1,1,1
0,1,1
0,1,1
0,1,1
IH
and A0 = V
(1)
1,1,1 or 1,1,0
IL
transition
.
After WP
0,0,0
0,0,1
0,1,1
0,1,1
1,0,0
1,0,1
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(3)