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Part Number: HM62W864
Description: The Hitachi HM62W864 is a CMOS static RAM organized 64-kword× 8-bit. I...
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HM62W864
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DataSheet
General Description
HM62W864 General Description
The Hitachi HM62W864 is a CMOS static RAM organized 64-kword × 8-bit. It realizes higher density, higher performance and low power consumption by employing 0.8 mm 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.
HM62W864 Maximum Ratings
| Parameter |
Symbol |
Value |
Unit |
| Power supply voltage*1 |
VCC |
0.5 to +4.6 |
V |
| Terminal voltage*1 |
VT |
0.5 *2 to VCC + 0.5*3 |
V |
| Power dissipation |
PT |
1.0 |
W |
| Operating temperatue range |
Topr |
0 to +70 |
°C |
| Storage temperature |
Tstg |
55 to +125 |
°C |
| Storage temperature under bias |
Tbias |
10 to + 85 |
°C |
Notes:
1. Relative to VSS
2. VT min: 3.0 V for pulse half-width 50 ns
3. Maximum voltage is 4.6 V
HM62W864 Features
` Low voltage operation SRAM
Single 3.0 V to 3.6 V supply
` High speed
- Fast access time: 85 ns (max)
` Low power
- Standby: 0.66 W (typ)
` Completely static memory
No clock or timing strobe required
` Equal access and cycle times
` Common data input and output
Three state output
` Directly LVTTL compatible
All inputs and outputs
` Capability of battery backup operation
2 chip selection for battery backup
Single 3.0 V to 3.6 V supply
` High speed
- Fast access time: 85 ns (max)
` Low power
- Standby: 0.66 W (typ)
` Completely static memory
No clock or timing strobe required
` Equal access and cycle times
` Common data input and output
Three state output
` Directly LVTTL compatible
All inputs and outputs
` Capability of battery backup operation
2 chip selection for battery backup
HM62W864 Connection Diagram
HM62W864 Series
PDF/DataSheet Download
- Datasheet: HM62W864 Series
- File Size: 94101 KB
- Manufacturer: hitachi
- Click here to Download
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