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WF2M32I-090HI5A Datasheet(PDF) 1 Page - White Electronic Designs Corporation |
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WF2M32I-090HI5A Datasheet(HTML) 1 Page - White Electronic Designs Corporation |
1 / 15 page 1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs WF2M32-XXX5 October 2004 Rev. 5 FIGURE 1 – PIN CONFIGURATION FOR WF2M32-XHX5 Top View Block Diagram 2M x 8 8 I/O 0-7 2M x 8 8 I/O 8-15 2M x 8 8 I/O 16-23 2M x 8 8 I/O 24-31 A 0- 20 OE# WE1# CS1# WE2# CS2# WE3# CS3# WE4# CS4# 2Mx32 5V Flash Module Organized as 2Mx32 Commercial, Industrial, and Military Temperature Ranges 5 Volt Read and Write. 5V ± 10% Supply. Low Power CMOS Data# Polling and Toggle Bit feature for detection of program or erase cycle completion. Supports reading or programming data to a sector not being erased. RESET# pin resets internal state machine to the read mode. Built in Decoupling Caps and Multiple Ground Pins for Low Noise Operation, Separate Power and Ground Planes to improve noise immunity * This product is subject to change without notice. Note: For programming information refer to Flash Programming 16M5 Application Note. FEATURES Access Time of 90, 120, 150ns Packaging: • 66 pin, PGA Type, 1.185" square, Hermetic Ceramic HIP (Package 401). • 68 lead, Hermetic CQFP (G2U), 22.4mm (0.880") square (Package 510) 3.56mm (0.140") height. Designed to fit JEDEC 68 lead 0.990" CQFJ footprint (FIGURE 3) Sector Architecture • 32 equal size sectors of 64KBytes per each 2Mx8 chip • Any combination of sectors can be erased. Also supports full chip erase. Minimum 100,000 Write/Erase Cycles Minimum RESET# internally tied to VCC in the HIP package for this pin con- figuration. See Alternate Pin Configuration with RESET# tied to pin 12 for system control of reset (FIGURE 10, page 11). I/O8 I/O9 I/O10 A14 A16 A11 A0 A18 I/O0 I/O1 I/O2 WE2# CS2# GND I/O11 A10 A9 A15 VCC CS1# A19 I/O3 I/O15 I/O14 I/O13 I/O12 OE# A17 WE1# I/O7 I/O6 I/O5 I/O4 I/O24 I/O25 I/O26 A7 A12 A20 A13 A8 I/O16 I/O17 I/O18 VCC CS4# WE4# I/O27 A4 A5 A6 WE3# CS3# GND I/O19 I/O31 I/O30 I/O29 I/O28 A1 A2 A3 I/O23 I/O22 I/O21 I/O20 11 22 33 44 55 66 1 12 23 34 45 56 Pin Description I/O0-31 Data Inputs/Outputs A0-20 Address Inputs WE1-4# Write Enables CS1-4# Chip Selects OE# Output Enable VCC Power Supply GND Ground |
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