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
Boot Block Lockout Enable Timing Diagram
Address A17-0
5555
DQ7-0
AA
#CE
#OE
T
WP
#WE
SB0
Chip Erase Timing Diagram
Address A17-0
5555
DQ7-0
#CE
#OE
T
#WE
SB0
Six byte code for Boot Block
Lockout Feature Enable
5555
5555
2AAA
2AAA
55
80
AA
55
T
WPH
SB2
SB3
SB4
SB1
Six-byte code for 5V-only software
chip erase
5555
5555
2AAA
2AAA
55
80
AA
AA
55
WP
T
WPH
SB2
SB3
SB1
SB4
Publication Release Date: February 21, 2002
- 21 -
W49F002U
5555
40
T
EC
SB5
5555
10
T
EC
Internal Erase starts
SB5
Revision A6