W19B320ATT7H Winbond Electronics, W19B320ATT7H Datasheet - Page 33
![no-image](/images/manufacturer_photos/0/7/713/winbond_electronics_sml.jpg)
W19B320ATT7H
Manufacturer Part Number
W19B320ATT7H
Description
IC FLASH 32MBIT 70NS 48TSOP
Manufacturer
Winbond Electronics
Datasheet
1.W19B320ABB7H.pdf
(53 pages)
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
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7.8 Security Sector Protect Verify
7.9 Program Algorithm
Read from Security
Increment Address
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
IH
Sector
in progress
Embedded
or
algorithm
Program
V
μ
ID
s
No
- 33 -
Command Sequence
Last Address?
Write Program
Verify Data?
Remove
from System
Security Sector is
Security Sector is
Data Poll
Programming
Completed
Security Sector
from #RESET
Protect Verify
START
Exit Security
If data = 00h,
If data = 01h,
Write reset
unprotected.
command
Sector
producted.
complete
Publication Release Date: December 27, 2005
Yes
Yes
V
IH
or
V
No
ID
W19B320AT/B
Revision A4
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