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Part Number: MSM548128BL
Description: The MSM548128BL is a 1-Mbit, high-speed and low power CMOS Pseudo Static RAM organized as 131,072-word...
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MSM548128BL
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DataSheet
General Description
MSM548128BL General Description
The MSM548128BL is a 1-Mbit, high-speed and low power CMOS Pseudo Static RAM organized as 131,072-word × 8-bit.
The MSM548128BL is fabricated using silicon gate N well CMOS process. This process, coupled with single-transistor memory storage cells, permits maximum circuit density, minimum chip size, and high speed.
MSM548128BL has Self-refresh mode in addition to Address-refresh mode and Auto-refresh mode. In Self-refresh mode the internal refresh timer and address counter refresh the dynamic memory cells automatically. This series allows low power consumption when using standby mode with Self-refresh.
The MSM548128BL also features a static RAM-like write function that writes the data into the memory cell at the rising edge of WE.
The MSM548128BL is pin compatible with CMOS static RAM and 256K pseudo static RAM.
MSM548128BL Maximum Ratings
|
Parameter |
Symbol |
Rating |
Unit |
| Voltage on Any Pin from VSS *1 |
VT |
01.0 to 7.0 |
V |
| Power Dissipation |
PD |
1.0 |
W |
| Operating Temperature |
Topr |
0 to 70 |
°C |
| Storage Temperature |
Tstg |
55 to 150 |
°C |
| Storage Temperature (biased) |
Tbias |
10 to 85 |
°C |
| Short Circuit Output Current |
IOS |
50 |
mA |
*1 To VSS
Note: 1. Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are exceeded. Functional operation should be restricted to the conditions as detailed in the operational sections of this data sheet. Exposure to absolute maximum rating conditions for extended periods may affect device reliability
MSM548128BL Features
• Large capacity : 1-Mbit (131,072-word × 8 bits)
• Fast access time : 70 ns max.
• Low power : 200 mA max. (standby with Self-refresh)
• Refresh free : Self refresh
• Pin compatible : SRAM, 256K PSRAM
• Logic compatible : SRAM WE pin, no address multiplex
• Single power supply : 5 V ±10%
• Refresh : 512 cycle/8 ms auto-address refresh
• Package compatible : SRAM standard package
• Package options:
32-pin 600 mil plastic DIP (DIP32-P-600-2.54) (Product : MSM548128BL-xxRS)
32-pin 525 mil plastic SOP (SOP32-P-525-1.27-K) (Product : MSM548128BL-xxGS-K)
xx indicates speed rank.
• Fast access time : 70 ns max.
• Low power : 200 mA max. (standby with Self-refresh)
• Refresh free : Self refresh
• Pin compatible : SRAM, 256K PSRAM
• Logic compatible : SRAM WE pin, no address multiplex
• Single power supply : 5 V ±10%
• Refresh : 512 cycle/8 ms auto-address refresh
• Package compatible : SRAM standard package
• Package options:
32-pin 600 mil plastic DIP (DIP32-P-600-2.54) (Product : MSM548128BL-xxRS)
32-pin 525 mil plastic SOP (SOP32-P-525-1.27-K) (Product : MSM548128BL-xxGS-K)
xx indicates speed rank.
MSM548128BL Connection Diagram
MSM548128BL
PDF/DataSheet Download
- Datasheet: MSM548128BL
- File Size: 187160 KB
- Manufacturer: OKI
- Click here to Download
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