edi88257ca White Electronic Designs Corporation, edi88257ca Datasheet
edi88257ca
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edi88257ca Summary of contents
Page 1
... White Electronic Designs Corp. reserves the right to change products or specifi cations without notice. May 2000 Rev. 2 The EDI88257CA Megabit 256Kx8 bit Monolithic CMOS Static RAM. The 32 pin DIP pinout adheres to the JEDEC evolutionary standard for the two megabit device. The device is upgradeable to the 512Kx8 SRAM, the EDI88512CA ...
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... 8.0mA -4.0mA OH OH Figure 2 Vcc 480Ω Q 5pF 255Ω 2 White Electronic Designs Corporation • (602) 437-1520 •www.whiteedc.com EDI88257CA TRUTH TABLE CS# WE# Mode Output H X Standby High Output Deselect High Read Data Out L L Write ...
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... WHZ WLZ 3 White Electronic Designs Corporation • (602) 437-1520 •www.whiteedc.com EDI88257CA 35ns 45ns 55ns Min Max Min Max Min Max ...
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... WRITE CYCLE 1, WE# CONTROLLED t AVAV t AVEH t ELEH CS# t AVEL t WLEH WE# t DVEH DATA VALID HIGH Z WRITE CYCLE 2, CS# CONTROLLED 4 White Electronic Designs Corporation • (602) 437-1520 •www.whiteedc.com EDI88257CA t AVAV t AVQV t t ELQV EHQZ t ELQX t GLQV t GHQZ t GLQX READ CYCLE 2 (WE# HIGH) t WHAX ...
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... CCDR ≥ V -0.2V 0 CDR ≤ 0. AVAV DATA RETENTION MODE 4.5V 4. CDR CS -0.2V CC DATA RETENTION, CS# CONTROLLED 5 White Electronic Designs Corporation • (602) 437-1520 •www.whiteedc.com EDI88257CA Typ Max Units – – V – 2 μA – – ns – – ...
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... TYP 15 x 0.100 = 1.500 ALL DIMENSIONS ARE IN INCHES ORDERING INFORMATION EDI 8 8 257 -55°C to +125°C -40°C to +85°C 0°C to +70°C 6 White Electronic Designs Corporation • (602) 437-1520 •www.whiteedc.com EDI88257CA 0.620 0.600 0.600 NOM ...