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HM62864 fiches techniques PDF

ETC - 65536-word 8-bit High Speed CMOS Static RAM

Numéro de référence HM62864
Description 65536-word 8-bit High Speed CMOS Static RAM
Fabricant ETC 
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HM62864 fiche technique
HM62864 Series
65536-word × 8-bit High Speed CMOS Static RAM
ADE-203-255B (Z)
Rev. 2.0
Jul. 4, 1995
Description
The Hitachi HM62864 is a CMOS static RAM organized 64-kword × 8-bit. It realizes higher density,
higher performance and low power consumption by employing 0.8 µm Hi-CMOS process technology. It
offers low power standby power dissipation; therefore, it is suitable for battery backup systems. The
device, packaged in a 525-mil SOP (460-mil body SOP) and a 8 × 20 mm TSOP with thickness of 1.2
mm, is available for high density mounting. TSOP package is suitable for cards.
Features
• High speed
— Fast access time: 55/70/85 ns (max)
• Low power
— Active: 50 mW (typ) (f = 1 MHz)
— Standby: 2 µW (typ)
• Single 5 V supply
• Completely static memory
No clock or timing strobe required
• Equal access and cycle times
• Common data input and output
Three state output
• Directly TTL compatible
All inputs and outputs
• Capability of battery backup operation
2 chip selection for battery backup

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