W49F002U-12B Winbond Electronics, W49F002U-12B Datasheet - Page 19

• Manufacturer Part Number: W49F002U-12B
• Manufacturer: Winbond Electronics

Specifications of W49F002U-12B

• Density: 2Mb
• Access Time (max): 120ns
• Interface Type: Parallel
• Boot Type: Top
• Address Bus: 18b
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: 0C to 70C
• Package Type: PDIP
• Program/erase Volt (typ): 5V
• Sync/async: Asynchronous
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Word Size: 8b
• Number Of Words: 256K
• Supply Current: 50mA
• Mounting: Through Hole
• Pin Count: 32
• Lead Free Status / Rohs Status: Not Compliant

Timing Waveforms, continued
#CE Controlled Command Write Cycle Timing Diagram
Program Cycle Timing Diagram
Address A17-0
DQ7-0
#WE
#OE
#CE
Address A17-0
DQ7-0
#WE
#CE
#OE
5555
Byte 0
T
WP
High Z
AA
T
WPH
Byte 1
2AAA
T
T
AS
OES
55
- 19 -
5555
Byte 2
Byte Program Cycle
T
AH
A0
T
Publication Release Date: February 21, 2002
CP
Address
Data Valid
Byte 3
T
DS
Data-In
T
T
OEH
Internal Write Start
DH
T
CPH
T
BP
W49F002U
Revision A6