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White Microelectronics • Phoenix, AZ • (602) 437-1520
11
LEAD FINISH:
Blank = Gold plated leads
A = Solder dip leads
DEVICE GRADE:
M = Military Screened
-55
°C to +125°C
I = Industrial
-40
°C to +85°C
C = Commercial
0
°C to +70°C
PACKAGE TYPE:
C = 32 DIP (Package 300)
ACCESS TIME (ns)
37 = 35ns SRAM and 70ns FLASH
72 = 70ns SRAM and 120ns FLASH also available
ORGANIZATION, 256K x 8
Flash PROM
SRAM
WHITE MICROELECTRONICS
WSF256K8-XCX
ORDERING INFORMATION
PACKAGE 300: 32 PIN, CERAMIC DIP, SINGLE CAVITY SIDE BRAZED
2.5 (0.100)
TYP
1.27 (0.050)
± 0.1 (0.005)
0.46 (0.018)
± 0.05 (0.002)
0.84 (0.033)
± 0.4 (0.014)
3.2 (0.125) MIN
15.04 (0.592)
± 0.3 (0.012)
0.25 (0.010)
± 0.05 (0.002)
15.25 (0.600)
± 0.25 (0.010)
42.4 (1.670)
± 0.4 (0.016)
4.34 (0.171)
± 0.79 (0.031)
PIN 1 IDENTIFIER
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
W S F
256K8 - XXX C X X