W29C020CP90B Winbond Electronics, W29C020CP90B Datasheet - Page 15

• Manufacturer Part Number: W29C020CP90B
• Description: IC FLASH 2MBIT 90NS 32PLCC
• Manufacturer: Winbond Electronics

Specifications of W29C020CP90B

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 2M (256K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: Q1321111

Timing Waveforms, continued
Page Write Cycle Timing Diagram
#DATA Polling Timing Diagram
Address A17-0
Address A15-0
DQ7-0
#WE
#OE
#CE
#WE
#CE
#OE
DQ7
T
DH
T
OEH
Byte 0
T
WP
T
WPH
T
OE
Byte 1
T
BLC
HIGH-Z
- 15 -
Byte 2
Publication Release Date: February 18, 2002
Byte N-1
Internal Write Start
W29C020C
T
WC
T
WR
Byte N
Revision A4