W19B320ATT7H Winbond Electronics, W19B320ATT7H Datasheet - Page 29

• Manufacturer Part Number: W19B320ATT7H
• Description: IC FLASH 32MBIT 70NS 48TSOP
• Manufacturer: Winbond Electronics

Specifications of W19B320ATT7H

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 32M (4Mx8, 2Mx16)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7.5.4 Command Definitions
Legend:
X = Don’t Care
RA = Address of the memory location to be read.
PA = Address of the memory location to be programmed. Addresses latch on the falling edge of the #WE or #CE pulse,
whichever happens later.
PD = Data to be programmed at location PA. Data latches on the rising edge of #WE or #CE pulse, whichever happens first.
RD = Data read from location RA during read operation.
Read (note 6)
Reset (note 7)
Normal
Program
Unlock Bypass
Unlock Bypass
Program (note 11)
Unlock Bypass Reset
(note12)
Chip Erase
Sector Erase
Erase Suspend
(note 13)
Erase Resume
(note 14)
Enter Security
Sector Region
Exit Security
Sector Region
Common Flash
Interface (CFI)
Query (note 15)
Sector Factory
Manufacturer
Protect (note
Verify (note
Security
SEQUENCE
Sector/
Protect
Device
COMMAND
Sector
(note 1 )
Block
Code
Code
10)
9)
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Word
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
Byte
CYCLE
1
1
4
3
2
2
6
6
1
1
4
6
4
4
3
4
1
ADDR
XXX
AAA
AAA
XXX
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
555
555
555
555
555
555
555
555
555
555
RA
BA
BA
BA
AA
55
FIRST
DATA ADDR
RD
AA
AA
AA
AA
AA
AA
AA
AA
AA
AA
F0
A0
90
B0
30
98
XXX
2AA
2AA
2AA
2AA
2AA
2AA
2AA
2AA
2AA
2AA
555
555
555
555
555
555
555
555
555
555
PA
SECOND
DATA
PD
55
55
00
55
55
55
55
55
55
55
55
- 29 -
(BA)AAA
(BA)AAA
(BA)AAA
(BA)AAA
(BA)555
(BA)555
(BA)555
(BA)555
ADDR
BUS CYCLES (note 2-5)
AAA
AAA
AAA
AAA
AAA
AAA
555
555
555
555
555
555
THIRD
Publication Release Date: December 27, 2005
DATA
A0
20
80
80
90
90
90
90
88
90
(BA)X00
(BA)X01
(BA)X03
(BA)X06
(SA)X02
(SA)X04
(BA)x02
ADDR
AAA
AAA
XXX
555
555
PA
FOURTH
DATA
82/02
00/01
PD
AA
AA
DA
7E
00
W19B320AT/B
(BA)X0E
(BA)X1C
ADDR
2AA
2AA
555
555
FIFTH
DATA ADDR DATA
55
55
0A
Revision A4
(BA)x1E
(BA)X0
AAA
555
SA
F
SIXTH
00/01
10
30