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MFG:HM Package Cooled:SOJ D/C:09+
Part Number: HM621664HB
MFG: HM
Package Cooled: SOJ
D/C: 09+
Description: The HM621664HB is an asynchronous high speed static RAM organized as 64-kword×
- Table of contents:
HM621664HB
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Suppliers
DataSheet
General Description
HM621664HB General Description
The HM621664HB is an asynchronous high speed static RAM organized as 64-kword×16-bit. It realize high speed access time (15/20 ns) with employing 0.8 mm CMOS process and high speed circuit designing technology. It is most appropriate for the application which requires high speed, high density memory and wide bit width configuration, such as cache and buffer memory in system. The HM621664HB is packaged in 400-mil 44-pin SOJ for high density surface mounting.
HM621664HB Maximum Ratings
| Parameter |
Symbol |
Value |
Unit |
| Supply voltage relative to VSS |
VCC |
0.5 to +7.0 |
V |
| Voltage on any pin relative to VSS |
VT |
0.5*1 to VCC + 0.5 |
V |
| Power dissipation |
PT |
1.0*2/1.5*3 |
W |
| Operating temperature |
Topr |
0 to +70 |
°C |
| Storage temperature |
Tstg |
55 to +125 |
°C |
| Storage temperature under bias |
Tbias |
10 to +85 |
°C |
1. VT (min) = 2.5 V for pulse width (under shoot) 10 ns
2. At still air condition
3. At air flow 1.0 m/s
HM621664HB Features
` Single 5 V supply
` Access time: 15/20 ns (max)
` Completely static memory
- No clock or timing strobe required
` Equal access and cycle times
` Directly TTL compatible
- All inputs and outputs
` 400-mil 44-pin SOJ package
` Center VCC and VSS type pinout
` Access time: 15/20 ns (max)
` Completely static memory
- No clock or timing strobe required
` Equal access and cycle times
` Directly TTL compatible
- All inputs and outputs
` 400-mil 44-pin SOJ package
` Center VCC and VSS type pinout
HM621664HB Connection Diagram
HM621664HB Series
PDF/DataSheet Download
- Datasheet: HM621664HB Series
- File Size: 98926 KB
- Manufacturer: hitachi
- Click here to Download
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