| Allicdata Part #: | MM74C89N-ND |
| Manufacturer Part#: |
MM74C89N |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | ON Semiconductor |
| Short Description: | IC RAM 64 PARALLEL 16DIP |
| More Detail: | RAM Memory IC 64b (16 x 4) Parallel 280ns 16-DIP |
| DataSheet: |  MM74C89N Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | 0.00000 |
Specifications
| Series: | -- |
| Packaging: | Tube |
| Part Status: | Obsolete |
| Memory Type: | Volatile |
| Memory Format: | RAM |
| Technology: | RAM |
| Memory Size: | 64b (16 x 4) |
| Write Cycle Time - Word, Page: | -- |
| Access Time: | 280ns |
| Memory Interface: | Parallel |
| Voltage - Supply: | 3 V ~ 15 V |
| Operating Temperature: | -55°C ~ 125°C (TA) |
| Mounting Type: | Through Hole |
| Package / Case: | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package: | 16-DIP |
| Base Part Number: | 74C89 |
Description
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MM74C89N is an integrated circuit (IC) manufactured by National Semiconductor. It is classified under Memory ICs and contains 4-bit shift registers, flip flops and parity generator/checker. It has the capability to store input data, detect errors in transmission of data, and then transfer this information in response to clock pulse sequences.The MM74C89N is typically used for memory applications such as RAM, ROM, and ASIC designs. It offers high speed performance, low power consumption, and is capable of providing accuracy over a wide range of temperatures. Some of its more common applications include data logging, computer and network data processing, and error detection and correction.The MM74C89N is made up of 4 latch-registers, each with 4 bits of storage capacity. The first three of the four are flip flop based, and the last is a special five-stage gate that acts as a parity generator or checker. The gates in the MM74C89N are rated by the manufacturer at speeds of up to 10 MHz, and they can operate on logic levels down to 1.3V.The MM74C89N functions via a series of clock pulses. When power is applied to the IC, the internal flip flops and registers store the initial data on the four pins. The clock pulses then control the sequential movement of that data. This enables the MM74C89N to detect errors in transmission, and if one is detected, the IC can correct it by shifting the data by one clock cycle.The MM74C89N is also useful for error detection and correction in RAM, ROM, and ASIC designs. In RAM, for instance, the IC can detect a single bit error in data, and can then shift the data by one clock cycle to correct it. The parity checking circuit can also detect a single bit error and can then compare the content of the last latch-register with the expected parity. The MM74C89N can help reduce circuitry in complex applications and can offer better performance at reduced power levels. Thanks to its high speed, low power consumption, and its ability to run on logic levels as low as 1.3V, the MM74C89N is a popular choice for memory related applications.
The specific data is subject to PDF, and the above content is for reference
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