W49F002U-12B

Manufacturer Part NumberW49F002U-12B
ManufacturerWinbond Electronics
W49F002U-12B datasheet
 


Specifications of W49F002U-12B

Density2MbAccess Time (max)120ns
Interface TypeParallelBoot TypeTop
Address Bus18bOperating Supply Voltage (typ)5V
Operating Temp Range0C to 70CPackage TypePDIP
Program/erase Volt (typ)5VSync/asyncAsynchronous
Operating Temperature ClassificationCommercialOperating Supply Voltage (min)4.5V
Operating Supply Voltage (max)5.5VWord Size8b
Number Of Words256KSupply Current50mA
MountingThrough HolePin Count32
Lead Free Status / Rohs StatusNot Compliant  
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Timing Waveforms, continued
#CE Controlled Command Write Cycle Timing Diagram
Address A17-0
#CE
#OE
#WE
DQ7-0
Program Cycle Timing Diagram
Address A17-0
5555
DQ7-0
#CE
#OE
T
#WE
Byte 0
T
AS
T
AH
T
CP
T
OES
High Z
Byte Program Cycle
2AAA
5555
55
A0
AA
T
WPH
WP
Byte 1
Byte 2
Publication Release Date: February 21, 2002
- 19 -
W49F002U
T
CPH
T
OEH
T
DS
Data Valid
T
DH
Address
Data-In
T
BP
Internal Write Start
Byte 3
Revision A6