w332m64v-xbx White Electronic Designs Corporation, w332m64v-xbx Datasheet
w332m64v-xbx
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w332m64v-xbx Summary of contents
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... Internal banks for hiding row access/precharge Programmable Burst length 1,2,4,8 or full page 8192 refresh cycles Commercial, Industrial and Military Temperature Rang es Organized as 32M x 64 Weight: W332M64V-XBX - 2.5 grams typical BENEFITS 41% SPACE SAV INGS Re duced part count Re duced trace lengths for low er par a sit ic ca pac i tance ...
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... NC NC DQ52 DQ50 DQ48 CCQ CCQ 2 W332M64V-XBX DQ16 DQ17 DQ31 V CCQ CCQ DQ18 DQ19 DQ29 DQ30 DQ20 DQ21 DQ27 DQ28 DQ22 ...
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... DQMH 2 WE# RAS# CAS 0-1 CLK CLK 3 U3 CKE CKE CS# 3 DQML DQML DQMH DQMH 3 3 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com W332M64V-XBX RAS # 0 CAS # RAS # 1 CAS # RAS # ...
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... Mode Register will power unknown state, it should be loaded prior to applying any operational command. February 2005 Rev. 0 W332M64V-XBX Register Defi nition MODE REGISTER The Mode Register is used to defi ne the specifi c mode tion of the SDRAM. This defi nition includes the ...
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... Whenever a boundary of the block is reached within a given sequence above, the following access wraps within the block. 7. For a burst length of one, A0-9 select the unique column to be accessed, and Mode Register bit M3 is ignored. 5 W332M64V-XBX TABLE 1 – BURST DEFINITION Order of Accesses Within a Burst Starting Column Address ...
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... When the burst length programmed via M0-M2 applies to both READ and WRITE bursts; when the programmed burst length applies to READ bursts, but write accesses are single-location (nonburst) accesses. 6 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com W332M64V-XBX DON'T CARE UNDEFINED T4 OH TABLE 2 – CAS LATENCY ...
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... tions already in progress are not affected. LOAD MODE REGISTER The Mode Register is loaded via inputs A0-11 (A12 should be driven low). See Mode Reg is ter heading in the Register Defi ni tion sec tion. The LOAD MODE REGISTER February 2005 Rev. 0 W332M64V-XBX CS# RAS# CAS# WE# DQM H X ...
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... READ or WRITE com mand. AUTO PRECHARGE ensures that the precharge is initiated at the earliest valid stage within a burst. The user must not February 2005 Rev. 0 W332M64V-XBX is sue another command to the same bank until the precharge time ( completed. This is determined explicit RP PRECHARGE com mand was issued at the earliest possible time ...
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... CAPACITANCE (NOTE 2) Symbol CI1 CA CI2 CIO BGA THERMAL RESISTANCE Symbol Max Theta JA 14.4 Theta JB 10.0 Theta JC 5.2 9 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com W332M64V-XBX Unit V V °C °C °C Max Unit Unit Notes ...
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... CC CCQ A (All other pins not under test = 0V) CC ≤ V OUT CCQ +3.3V ± 0.3V; -55°C ≤ T ≤ +125°C CC CCQ A 10 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com W332M64V-XBX Symbol Min Max 3.6 CC CCQ 0 -0.3 ...
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... REF RFC RRD t 0.3 1.2 0 CLK + 7ns 1 CLK + 7ns XSR 11 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com W332M64V-XBX -125 -133 Unit Max Min Max 6 5 0.8 ns 1.5 ns 2.5 ns 2 0.8 ns 1.5 ns 0.8 ns 1.5 ns ...
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... WRITE is executed. 1.5V 24. Precharge mode only. 25. JEDEC and PC100 specify three clocks. 26. Parameter guaranteed by design. before going OH 27. Self refresh available in commercial and industrial temperatures only. 12 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com W332M64V-XBX -100 -125 -133 ...
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... PACKAGE DIMENSION: 219 PLASTIC BALL GRID ARRAY (PBGA) 1.27 (0.050) NOM ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES February 2005 Rev. 0 BOTTOM VIEW 25.10 (0.988) sq. MAX BOTTOM VIEW 219 x 0.762 (0.030) NOM 19.05 (0.750) NOM 13 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com W332M64V-XBX 0.61 (0.024) NOM 2.03 (0.080) MAX ...
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... B = 219 Plastic Ball Grid Array (PBGA) DEVICE GRADE Mil i tary -55°C to +125° dus tri al -40°C to +85° Com mer cial 0°C to +70°C February 2005 Rev. 0 ORDERING INFORMATION W 3 32M XXX White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com W332M64V-XBX ...
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... White Electronic Designs Document Title 32M x 64 SDRAM Multi-Chip Package, 25mm x 25mm Revision History Rev # History Rev 0 Initial Release February 2005 Rev. 0 W332M64V-XBX Release Date February 2005 15 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com Status Final ...