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8228 - 4096-BIT BIPOLAR ROM

Description

The 8228 is a 4096 Bit Bipolar Read Only Memory organized as 1024 words by 4 bits per word.

Available in a 16 pin dual in-line package, the 8228 can provide very high bit packing density by replacing four standard 256X4 ROMS.

The 8228 is fully TTL compatible and includes on-the-chip decoding.

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Datasheet Details

Part number 8228
Manufacturer Signetics
File Size 72.69 KB
Description 4096-BIT BIPOLAR ROM
Datasheet download datasheet 8228 Datasheet

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S(gnntics 8228 4096 BIT BIPOLAR ROM (1024x4 ROM] DESCRIPTION The 8228 is a 4096 Bit Bipolar Read Only Memory organized as 1024 words by 4 bits per word. Available in a 16 pin dual in-line package, the 8228 can provide very high bit packing density by replacing four standard 256X4 ROMS. The 8228 is fully TTL compatible and includes on-the-chip decoding. Typical access time is 50ns with a power consumption of only .125mW per bit. The standard 8228 ROM pattern is the USASCII Row Character Generator code; however, custom patterns are also available. The standard pattern is specified as the N82281 - CB162, while custom circuits are identified as N82281 - CXXX. A truth table/order blank is included on page 4-46 for ordering custom patterns.
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