MT8920B Selling Leads, Price trend, MT8920B DataSheet download, circuit diagram from SeekIC.com

Features: • High speed parallel access to the serial ST-BUS• Parallel bus optimized for 68000 mP (mode 1)• Fast dual-port RAM access (mode 2)Access time: 120 nsec• Parallel bus controller (mode 3) - no external controller required• Flexible interrupt capabilities - tw...

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MT8920B: Features: • High speed parallel access to the serial ST-BUS• Parallel bus optimized for 68000 mP (mode 1)• Fast dual-port RAM access (mode 2)Access time: 120 nsec• Parallel b...

MT8920B Data Sheet

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Part Number:: MT8920B
Supply Ability:: 5000

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1~5000

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Negotiable

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Upload time: 2024/12/22

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Recent History
What is this?

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Product Details

Description

Features:

• High speed parallel access to the serial ST-BUS
• Parallel bus optimized for 68000 mP (mode 1)
• Fast dual-port RAM access (mode 2)Access time: 120 nsec
• Parallel bus controller (mode 3) - no external controller required
• Flexible interrupt capabilities - two independent/programmable interrupt sources with auto-vectoring
• Selectable 24 and 32 channel operation
• Programmable loop-around modes
• Low power CMOS technology

Application

• Parallel control/data access to T1/CEPT digital trunk interfaces
• Digital signal processor interface to ST-BUS
• Computer to Digital PABX link
• Voice store and forward systems
• Interprocessor communications

Pinout

Connection Diagram

Specifications

	Parameter	Symbol	Min	Max	Units
1	Power supply voltage VDD-VSS	V_DD	-0.3	7.0	V
2	Voltage on any pin		-0.3	V_DD+0.3	V
3	Current at any pin (Except VDD and VSS)	I_I/O		±25	mA
4	Storage Temperature	T_ST	-55	125	°C
5	Package power dissipation	P_D		600	mW

Description

The ST-BUS Parallel Access Circuit (STPA) MT8920B provides a simple interface between Mitel's ST-BUS and parallel system environments.

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MT8920B

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