W19B320BTT7H Winbond Electronics, W19B320BTT7H Datasheet - Page 38

• 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

7.13 Toggle Bit Algorithm
Note: The system should recheck the toggle bit even if DQ5 =”1” because the toggle bit may stop toggling as DQ5 changes to
“1”. See DQ6 and DQ2 section for more information
No
Complete,Write
Operation Not
Reset Command
Program/Erase
Read DQ7-DQ0
Read DQ7-DQ0
Read DQ7-DQ0
Toggle Bit
Toggle Bit
=Toggle?
=Toggle?
Twice
DQ5=1?
START
Yes
- 38 -
Yes
Yes
W19B320BT/B DATASHEET
No
No
Program/Erase
Publication Release Date:Dec.25, 2007
Complete
Revisionv A3