Document
White Electronic Designs
WEDPNF8M721V-XBX
8Mx72 Synchronous DRAM + 8Mb Flash Mixed Module Multi-Chip Package ADVANCED*
FEATURES
n n n Package: • 275 Plastic Ball Grid Array (PBGA), 32mm x 25mm Commercial, Industrial and Military Temperature Ranges Weight: • WEDPNF8M721V-XBX - 2.5 grams typical n n n n Sector Architecture • One 16KByte, two 8KBytes, one 32KByte, and fif teen 64KBytes in byte mode • One 8K word, two 4K words, one 16K word, and fifteen 32K word sectors in word mode. • Any combination of sectors can be concurrently erased. Also supports full chip erase Boot Code Sector Architecture (Bottom) Embedded Erase and Program Algorithms Erase Suspend/Resume • Supports reading data from or programing data to a sector not being erased
SDRAM PERFORMANCE FEATURES
n n n n n n n n Organized as 8M x 72 High Frequency = 100, 125MHz Single 3.3V ±0.3V power supply Fully Synchronous; all signals registered on positive edge of system clock cycle Internal pipelined operation; column address can be changed every clock cycle Internal banks for hiding row access/precharge Programmable Burst length 1,2,4,8 or full page 4096 refresh cycles
BENEFITS
n n n n n n 42% SPACE SAVINGS Reduced part count Reduced I/O count • 14% I/O Reduction Suitable for hi-reliability applications SDRAM Upgradeable to 16M x 72 density (contact factory for information) Flash upgradeable to 2M x 8 (or 1M x 16 or 512K x 32) density
FLASH PERFORMANCE FEATURES
n n n n User Configurable as 1Mx8 or 512Kx16 Access Times of 100, 120, 150ns 3.3 Volt for Read and Write Operations 1,000,000 Erase/Program Cycles
* This data sheet describes a product that may or may not be under development and is subject to change or cancellation without notice.
September 2002 Rev. 3
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White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
White Electronic Designs
FIG. 1 PIN CONFIGURATION TOP VIEW
WEDPNF8M721V-XBX
NOTES: 1. DNU = Do Not Use 2. FD16-31, BYTE2, RY/BY2 are NC in this part, and used for flash upgraded to WEDPN8M722V-XBX (2x8M Flash).
White Electronic Designs Corporation • Phoenix AZ • (602) 437-1520
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White Electronic Designs
FIG. 2 FUNCTIONAL BLOCK DIAGRAMS
WEDPNF8M721V-XBX
SDRAM
FLASH
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White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
White Electronic Designs
PACKAGE PINOUT LISTING
Signal Name V CC GND FD0 - 15 RYBY1 RST BYTE1 FD16* - 31* RYBY2* BYTE2* FA1-19 FCS1 FCS2* FWE FOE A0 - A11 BA0 - 1 CS0 WE0 CLK0 CKE0 RAS0 CAS0 DQML0 DQMH0 CS1 WE1 CLK1 CKE1 RAS1 CAS1 DQML1 DQMH1 CS2 WE2 CLK2 CKE2 RAS2 CAS2 DQML2 DQMH2 CS3 WE3 CLK3 CKE3 RAS3 Pin Number
WEDPNF8M721V-XBX
D15, E15, F8, F10, F15, G4, H4, J14, J15, J16, J17, K2, K3, K4, K5, L14, L15, L16, M5, M14, M15, N4, N5, N7, N8, N14, P4, P5, P6, P7, P11, P12, P13, P14, R4, T15, U15, V15 D4, D16, E4, F4, F7, F9, F11, F12, F13, G14, G15, H15, J2, J3, J4, J5, K14, K15, K16, K17, L4, L5, M4, N6, N9, N10, N11, N12, N13, N15, P8, P9, P10, P15, R15, T4, U4, V4 E8, C8, E9, C9, C10, D11, C11, D12, D.