W19B320BTT7H Winbond Electronics, W19B320BTT7H Datasheet - Page 36

• Manufacturer Part Number: W19B320BTT7H
• Description: IC FLASH 32MBIT 70NS 48TSOP
• Manufacturer: Winbond Electronics

Specifications of W19B320BTT7H

• 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
• Other names: W19B320BTT-H; W19B320BTT-H

7.9
7.10 Program Algorithm
Security Sector Protect Verify
Increment Address
Read from Security
Write 40h to Security
Sector Address
A1 = 1, A0 = 0
A1 = 1, A0 = 0
Sector address
Enter Security
any address
Write 60h to
with A6 = 0
with A6 = 0
#RESET =
V
START
Wait 1 μ s
in progress
IH
Embedded
Sector
algorithm
Program
or
V
ID
No
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W19B320BT/B DATASHEET
Command Sequence
Last Address?
Write Program
Verify Data?
from System
Data Poll
Programming
Completed
Remove V
Security Sector is
Security Sector is
START
Security Sector
from #RESET
Protect Verify
Exit Security
If data = 00h,
If data = 01h,
Write reset
unprotected.
command
producted.
complete
Yes
Yes
Sector
IH
or V
No
Publication Release Date:Dec.25, 2007
ID
Revisionv A3