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IDT72V8981, IDT72V8985, IDT72V8988

Table of contents:
Info of IDT72V8981
Info of IDT72V8985
Info of IDT72V8988

IDT72V8981, IDT72V8985, IDT72V8988 Selling Leads, Datasheet

MFG:IDT Package Cooled:N/A D/C:09+

IDT72V8981, IDT72V8985, IDT72V8988 Picture

IDT72V8981, IDT72V8985, IDT72V8988 Datasheet download

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Part Number: IDT72V8981

MFG: IDT

Package Cooled: N/A

D/C: 09+

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IDT72V8981 General Description

The IDT72V8981 is a ST-BUS® compatible digital switch controlled by a microprocessor. The IDT72V8981 can handle as many as 128, 64 Kbit/s input and output channels. Those 128 channels are divided into 4 serial inputs and outputs, each of which consists of 32 channels (64 Kbit/s per channel) to form a multiplexed 2.048 Mb/s stream.

IDT72V8981 Maximum Ratings

Symbol	Parameter	Min.	Max.	Unit
V_cc	Symbol Voltage	-0.3	5	V
V_i	Voltage on Digital Inputs	GND - 0.3	V_CC +0.5	V
V_O	Voltage on Digital Outputs	GND - 0.3	V_CC +0.3	V
I_O	Current at Digital Outputs		20	mA
T_S	Storage Temperature	-55	+125
P_D	Package Power Dissapation		1	W

NOTE:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.

IDT72V8981 Features

• 128 x 128 channel non-blocking switch
• Serial Telecom Bus Compatible (ST-BUS®)
• 4 RX inputs-32 channels at 64 Kbit/s per serial line
• 4 TX output-32 channels at 64 Kbit/s per serial line
• Three-state serial outputs
• Microprocessor Interface (8-bit data bus)
• 3.3V Power Supply
• Available in 44-pin Plastic Leaded Chip Carrier (PLCC), and 44-pin Plastic Quad Flatpack (PQFP)
• Operating Temperature Range -40°C to +85°C
• 3.3V I/O with 5V Tolerant Inputs

IDT72V8981 Connection Diagram

IDT72V8985 General Description

The IDT72V8985 is a ST-BUS®/GCI compatible digital switch controlled by a microprocessor. The IDT72V8985 can handle as many as 256, 64 Kbit/s input and output channels. Those 256 channels are divided into 8 serial inputs and
outputs, each of which consists of 32 channels. The IDT72V8985 provides perchannel variable or constant throughput delay modes and microprocessor read and write access to individual channels. As an important function of a digital switch is to maintain sequence integrity and minimize throughput delay, the IDT72V8985 is an ideal solution for most switching needs.

IDT72V8985 Maximum Ratings

Symbol	Parameter	Min.	Max.	Unit
Vcc	Symbol Voltage	-0.3	5	V
V_i	Voltage on Digital Inputs	GND - 0.3	V_CC +0.5	V
V_O	Voltage on Digital Outputs	GND - 0.3	V_CC +0.3	V
I_O	Current at Digital Outputs		20	mA
T_S	Storage Temperature	-55	+125
P_D	Package Power Dissapation		1	W

NOTE:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only a functional operation of the device at these or any conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.

IDT72V8985 Features

• 256 x 256 channel non-blocking switch
• Automatic signal identification (ST-BUS®, GCI)
• 8 RX inputs-32 channels at 64 Kbit/s per serial line
• 8 TX outputs-32 channels at 64 Kbit/s per serial line
• Three-state serial outputs
• Microprocessor Interface (8-bit data bus)
• Frame Integrity for data applications
• 3.3V Power Supply
• Available in 44-pin Plastic Leaded Chip Carrier (PLCC),48-pin Small Shrink Outline Package (SSOP), and 44-pin lasticQuad Flatpack (PQFP)
• Operating Temperature Range -40°C to +85°C
• 3.3V I/O with 5V Tolerant Inputs

IDT72V8985 Connection Diagram

IDT72V8988 General Description

The IDT72V8988 is an ST-BUS^®/GCI compatible digital switch controlled by a microprocessor. The IDT72V8988 can handle as many as 128, 64 Kbit/s input and output channels. Those 128 channels are divided into 4 serial inputs and outputs, each of which consists of 32 channels. The IDT72V8988 provides per-channel variable or constant throughput delay modes and microprocessor read and write access to individual channels. As an important function of a digital switch is to maintain sequence integrity and minimize throughput delay, the IDT72V8988 is an ideal solution for most switching needs.

IDT72V8988 Maximum Ratings

Symbol	Parameter	Min.	Max.	Unit
VCC	Supply Voltage	-0.3	5.0	V
Vi	Voltage on Digital Inputs	GND -0.3	VCC +0.5	V
VO	Voltage on Digital Outputs	GND -0.3	VCC +0.3	V
IO	Current at Digital Outputs		20	mA
TS	Storage Temperature	-55	+125	°C
PD	Package Power Dissapation		2	W

NOTE:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause
permanent damage to the device. This is a stress rating only and functional operation of
the device at these or any other conditions above those indicated in the operational sections
of this specifications is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect reliability.

IDT72V8988 Features

• 128 x 128 channel non-blocking switch
• Automatic signal identification (ST-BUS®, GCI)
• 4 RX inputs-32 channels at 64 Kbit/s per serial line
• 4 TX outputs-32 channels at 64 Kbit/s per serial line
• Three-state serial outputs
• Microprocessor Interface (8-bit data bus)
• Frame Integrity for data applications
• 3.3V Power Supply
• Available in 44-pin Plastic Leaded Chip Carrier (PLCC), and
44-pin Plastic Quad Flatpack (PQFP)
• Operating Temperature Range -40°C to +85°C
• 3.3V I/O with 5V Tolerant Inputs

IDT72V8988 Connection Diagram

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