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
Sector Erase Timing Diagram
Address A17-0
DQ7-0
#CE
#OE
#WE
SA = Sector Address
Reset Timing Diagram
VDD
#RESET
Address A17-0
DQ7-0
Six-byte code for 5V-only software
Main Memory Erase
5555
5555
2AAA
5555
2AAA
55
80
AA
AA
T
WP
T
WPH
SB0
SB2
SB3
SB1
SB4
T
PRST
T
RSTP
T
RSTF
- 22 -
W49F002U
SA
30
55
T
EC
Internal Erase starts
SB5
T
RST