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WSF256K8-xCx

White Electronic
Part Number WSF256K8-xCx
Manufacturer White Electronic
Description 256Kx8 SRAM/ FLASH MODULE
Published Dec 1, 2006
Detailed Description www.DataSheet4U.com WSF256K8-XCX 256Kx8 SRAM/ FLASH MODULE FIG. 1 PIN CONFIGURATION TOP VIEW A18 A16 A15 A12 A7 A6 A5 A...
Datasheet PDF File WSF256K8-xCx PDF File

WSF256K8-xCx
WSF256K8-xCx

Overview
www.
DataSheet4U.
com WSF256K8-XCX 256Kx8 SRAM/ FLASH MODULE FIG.
1 PIN CONFIGURATION TOP VIEW A18 A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O2 VSS ADVANCED* FEATURES s Access Times of 35ns (SRAM) and 70ns (FLASH) s JEDEC Standard, Hermetic Ceramic Package, 32 pin DIP (Package 300) s 256Kx8 SRAM s 256Kx8 5V FLASH s Memory Map Flash Memory: 0H-3FFFFH SRAM: 40000H-7FFFFH s Low Power CMOS s Commercial, Industrial and Military Temperature Ranges s TTL Compatible Inputs and Outputs s Built-in Decoupling Caps and Multiple Ground Pins for Low Noise Operation 11 MIXED MODULES 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VCC WE A17 A14 A13 A8 A9 A11 OE A10 CS I/O7 I/O6 I/O5 I/O4 I/O3 FLASH MEMORY FEATURES PIN DESCRIPTION A0-18 I/O0-7 CS OE WE VCC VSS Address Inputs Data Input/Output Chip Select Output Enable Write Enable +5.
0V Power Ground s 10,000 Erase/Program Cycles s Sector Architecture • 8 equal size sectors of 16KBytes each • Any combination of sectors can be concurrently erased.
Also supports full chip erase s Data Retention, 10 Years at 125°C s 5 Volt Programming; 5V ± 10% Supply s Embedded Erase and Program Algorithms s Hardware and Software Write Protection s Page Program Operation and Internal Program Control Time * This data sheet describes a product that may or may not be under development and is subject to change or cancellation without notice.
BLOCK DIAGRAM A0-16 I/O 0-7 WE OE 128K x 8 Flash 128K x 8 Flash 128K x 8 SRAM 128K x 8 SRAM A17 A18 CS Decoder January 1996 1 White Microelectronics • Phoenix, AZ • (602) 437-1520 WSF256K8-XCX PACKAGE 300: 32 PIN, CERAMIC DIP, SINGLE CAVITY SIDE BRAZED 11 MIXED MODULES 42.
4 (1.
670) ± 0.
4 (0.
016) 15.
04 (0.
592) ± 0.
3 (0.
012) 4.
34 (0.
171) ± 0.
79 (0.
031) PIN 1 IDENTIFIER 3.
2 (0.
125) MIN 0.
84 (0.
033) ± 0.
4 (0.
014) 2.
5 (0.
100) TYP 1.
27 (0.
050) ± 0.
1 (0.
005) 0.
46 (0.
018) ± 0.
05 (0.
002) 0.
25 (0.
010) ± 0.
05 (0.
002) 15.
25 (0.
600) ± 0.
25 (0.
010) ALL LINEAR DIMENSION...


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