Purchase HM621400H, In-stock HM621400H From SeekIC.
Part Number: HM621400H
Description: The HM621400H is a 4-Mbit high speed static RAM organized 4-Mword ´ 1-bit. It has realized high speed access time...
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HM621400H
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DataSheet
General Description
HM621400H General Description
The HM621400H is a 4-Mbit high speed static RAM organized 4-Mword ´ 1-bit. It has realized high speed access time by employing CMOS process (4-transistor + 2-poly resistor memory cell)and high speed circuit dexigning technology. It is most appropriate for the application which requires high speed and high density memory, such as cache and buffer memory in system. The HM621400H is packaged in 400-mil 32-pin SOJ for high density surface mounting.
HM621400H 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*2 | V |
| Power dissipation | PT | 1.0 | W |
| Operating temperature | Topr | 0 to +70 | |
| Storage temperature | Tstg | 55 to +125 | |
| Storage temperature under bias | Tbias | 10 to +85 |
HM621400H Features
· Single 5.0 V supply : 5.0 V ± 10 %
· Access time 10/12/15 ns (max)
· Completely static memory
- No clock or timing strobe required
· Equal access and cycle times
· Directly TTL compatible
- All inputs and outputs
· Operating current: 200/180/160 mA (max)
· TTL standby current: 70/60/50 mA (max)
· CMOS standby current: 5 mA (max)
: 1.2 mA (max) (L-version)
· Data retension current: 0.8 mA (max) (L-version)
· Data retension voltage: 2 V (min) (L-version)
· Center VCC and VSS type pinout
· Access time 10/12/15 ns (max)
· Completely static memory
- No clock or timing strobe required
· Equal access and cycle times
· Directly TTL compatible
- All inputs and outputs
· Operating current: 200/180/160 mA (max)
· TTL standby current: 70/60/50 mA (max)
· CMOS standby current: 5 mA (max)
: 1.2 mA (max) (L-version)
· Data retension current: 0.8 mA (max) (L-version)
· Data retension voltage: 2 V (min) (L-version)
· Center VCC and VSS type pinout
HM621400H Connection Diagram
HM621400H
PDF/DataSheet Download
- Datasheet: HM621400H
- File Size: 75462 KB
- Manufacturer: HITACHI [Hitachi Semiconductor]
- Click here to Download
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