W39L040Q-90B Winbond Electronics, W39L040Q-90B Datasheet - Page 10

• Manufacturer Part Number: W39L040Q-90B
• Manufacturer: Winbond Electronics

Specifications of W39L040Q-90B

• Density: 4Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Bottom/Top
• Address Bus: 19b
• Operating Supply Voltage (typ): 3/3.3V
• Operating Temp Range: 0C to 70C
• Package Type: STSOP
• Program/erase Volt (typ): 3.3V
• Sync/async: Asynchronous
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Word Size: 8b
• Number Of Words: 512K
• Supply Current: 20mA
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / Rohs Status: Not Compliant

6.5.4 Command Definitions
Notes:
Read
Chip Erase
Sector Erase
Page Erase
Byte Program
Top Boot Block
Lockout –
64K/16KByte
Bottom Boot Block
Lockout -
64K/16KByte
Product ID Entry
Product ID Exit
Product ID Exit
DESCRIPTION
COMMAND
1. Address Format: A14
2. Either one of the two Product ID Exit commands can be used.
3. SA: Sector Address
4. PA: Page Address
5. XX: Don't care
SA = 7XXXXh for Unique Sector7
SA = 6XXXXh for Unique Sector6
SA = 5XXXXh for Unique Sector5
SA = 4XXXXh for Unique Sector4
SA = 3XXXXh for Unique Sector3
SA = 2XXXXh for Unique Sector2
SA = 1XXXXh for Unique Sector1
SA = 0XXXXh for Unique Sector0
PA = 7FXXXh for Page 15 in Sector7
PA = 7EXXXh for Page 14 in Sector7
PA = 7DXXXh for Page 13 in Sector7
PA = 7CXXXh for Page 12 in Sector7
PA = 7BXXXh for Page 11 in Sector7
PA = 7AXXXh for Page 10 in Sector7
PA = 79XXXh for Page 9 in Sector7
PA = 78XXXh for Page 8 in Sector7
PA = 77XXXh for Page 7 in Sector7
PA = 76XXXh for Page 6 in Sector7
PA = 75XXXh for Page 5 in Sector7
PA = 74XXXh for Page 4 in Sector7
PA = 73XXXh for Page 3 in Sector7
PA = 72XXXh for Page 2 in Sector7
PA = 71XXXh for Page 1 in Sector7
PA = 70XXXh for Page 0 in Sector7
(2)
(2)
NO. OF
Cycles
1
6
6
6
4
6
6
3
3
1
1ST CYCLE
Addr.
A0 (Hex); Data Format: DQ7
XXXX F0
5555 AA
5555 AA
5555 AA
5555 AA
5555 AA
5555 AA
5555 AA
5555 AA
A
IN
(1)
D
Data
OUT
2ND CYCLE
Addr. Data
2AAA 55
2AAA 55
2AAA 55
2AAA 55
2AAA 55
2AAA 55
2AAA 55
2AAA 55
PA = 6FXXXh to 60xxx for Page 15 to page 0 in Sector6
(Please reference to left column)
PA = 5FXXXh to 50xxx for Page 15 to page 0 in Sector5
(Please reference to left column)
PA = 4FXXXh to 40xxx for Page 15 to page 0 in Sector4
(Please reference to left column)
PA = 3FXXXh to 30xxx for Page 15 to page 0 in Sector3
(Please reference to left column)
PA = 2FXXXh to 20xxx for Page 15 to page 0 in Sector2
(Please reference to left column)
PA = 1FXXXh to 10xxx for Page 15 to page 0 in Sector1
(Please reference to left column)
PA = 0FXXXh to 00xxx for Page 15 to page 0 in Sector0
(Please reference to left column)
3RD CYCLE
Addr. Data
- 10 -
5555 80
5555 80
5555 80
5555 A0
5555 80
5555 90
5555 F0
5555 80
DQ0 (Hex)
4TH CYCLE
Addr. Data
5555 AA
5555 AA
5555 AA
5555 AA
5555 AA
A
IN
D
IN
5TH CYCLE
Addr. Data
2AAA 55
2AAA 55
2AAA 55
2AAA 55
2AAA 55
6TH CYCLE
5555 40/70
5555 40/70
Addr. Data
5555 10
SA
PA
(3)
(4)
W39L040
30
50
7TH CYCLE
7FFFF XX
Addr. Data
00000 XX
(5)
(5)