(Hong Kong)
Product Summary
The MT8920BE is a ST-BUS Parallel Access Circuit (STPA). It provides a simple interface between ST-BUS and parallel system environments. The applications of the MT8920BE include: (1)Parallel control/data access to T1/CEPT digital trunk interfaces; (2)Digital signal processor interface to ST-BUS; (3)Computer to Digital PABX link; (4)Voice store and forward systems; (5)Interprocessor communications.
Parametrics
MT8920BE absolute maximum ratings: (1)Supply Voltage VDD: -0.3 to 7.0 V; (2)Voltage on any I/O pin: -0.3 to VDD + 0.3 V; (3)Current on any I/O pin II/O: ±25 mA; (4)Storage Temperature TST: -55 to 125 ℃; (5)Package Power Dissipation Plastic PD: 600 mW.
Features
MT8920BE features: (1)High speed parallel access to the serial ST-BUS; (2)Parallel bus optimized for 68000 μP (mode 1); (3)Fast dual-port RAM access (mode 2) Access time: 120 nsec; (4)Parallel bus controller (mode 3) - no external controller required; (5)Flexible interrupt capabilities - two independent/programmable interrupt sources with auto-vectoring; (6)Selectable 24 and 32 channel operation; (7)Programmable loop-around modes; (8)Low power CMOS technology.
Diagrams
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 MT8920BE |
Other |
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Data Sheet |
Negotiable |
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MT8910-1 |
Other |
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Data Sheet |
Negotiable |
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MT8920B |
Other |
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Data Sheet |
Negotiable |
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MT8920BE |
Other |
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Data Sheet |
Negotiable |
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MT8924 |
Other |
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Data Sheet |
Negotiable |
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MT8924AE |
Other |
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Data Sheet |
Negotiable |
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MT8926 |
Other |
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Data Sheet |
Negotiable |
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