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Part Number: Am7992B
Description: The Am7992B Serial Interface Adapter (SIA) is a Manchester encoder/decoder compatible with IEEE 802.3, Cheapernet, and ...
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Am7992B
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DataSheet
General Description
Am7992B General Description
The Am7992B Serial Interface Adapter (SIA) is a Manchester encoder/decoder compatible with IEEE 802.3, Cheapernet, and Ethernet specifications. In an IEEE 802.3/Ethernet application, the Am7992B interfaces the Am7990 Local Area Network Controller for Ethernet (LANCE) to the Ethernet transceiver device,acquires clock and data within four bit times, and decodes Manchester data with worst case ±19 ns phase jitter at 10 MHz. SIA provides both guaranteed signal threshold limits and transient noise suppression circuitry in both data and collision paths to minimize false start conditions.
Am7992B Maximum Ratings
Storage Temperature . . . . . . . . . . . 65°C to +150°C
Ambient Temperature with
Power Applied . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
Supply Voltage Continuous . . . . . . . . . . . . . . . +7.0 V
DC Voltage Applied to Outputs . . . 0.5 V to VCC Max
DC Input Voltage (Logic Inputs) . . . . . . . . . . . +5.5 V
DC Input Voltage
(Receive±/Collision±) . . . . . . . . . . . . . 6 V to +16 V
Transmit± Output Current . . . . . . 50 mA to +25 mA
DC Output Current, Into Outputs . . . . . . . . . . 100 mA
DC Input Current (Logic Inputs) . . . . . . . . . . ±30 mA
Transmit± Applied Voltage . . . . . . . . . . 0 V to +16 V
Ambient Temperature with
Power Applied . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
Supply Voltage Continuous . . . . . . . . . . . . . . . +7.0 V
DC Voltage Applied to Outputs . . . 0.5 V to VCC Max
DC Input Voltage (Logic Inputs) . . . . . . . . . . . +5.5 V
DC Input Voltage
(Receive±/Collision±) . . . . . . . . . . . . . 6 V to +16 V
Transmit± Output Current . . . . . . 50 mA to +25 mA
DC Output Current, Into Outputs . . . . . . . . . . 100 mA
DC Input Current (Logic Inputs) . . . . . . . . . . ±30 mA
Transmit± Applied Voltage . . . . . . . . . . 0 V to +16 V
Am7992B Features
*Compatible with lEEE 802.3/Ethernet/Cheapernet specifications
*Crystal/TTL oscillator-controlled Manchester encoder
*Manchester decoder acquires clock and data within four bit times with an accuracy of ±3 ns
*Guaranteed carrier and collision detection squelch threshold limits
- Carrier/collision detected for inputs greater than 275 mV
- No carrier/collision for inputs less than 175 mV
*Input signal conditioning rejects transient noise
- Transients <10 ns for collision detector inputs
- Transients <20 ns for carrier detector inputs
*Receiver decodes Manchester data with worst case ±19 ns of clock jitter (at 10 MHz)
*TTL-compatible host interface
*Transmit accuracy +0.01% (without adjustments)
*Crystal/TTL oscillator-controlled Manchester encoder
*Manchester decoder acquires clock and data within four bit times with an accuracy of ±3 ns
*Guaranteed carrier and collision detection squelch threshold limits
- Carrier/collision detected for inputs greater than 275 mV
- No carrier/collision for inputs less than 175 mV
*Input signal conditioning rejects transient noise
- Transients <10 ns for collision detector inputs
- Transients <20 ns for carrier detector inputs
*Receiver decodes Manchester data with worst case ±19 ns of clock jitter (at 10 MHz)
*TTL-compatible host interface
*Transmit accuracy +0.01% (without adjustments)
Am7992B Connection Diagram
AM7992B
PDF/DataSheet Download
- Datasheet: AM7992B
- File Size: 207076 KB
- Manufacturer: AMD [Advanced Micro Devices]
- Click here to Download
- ·AM7
- Optoelectronic
- 103780 KB
- ·AM70PDL127BDH85I
- SPANSION
- Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
- 938226 KB
- ·AM70PDL127BDH85IT
- SPANSION
- 2 x 64 Megabit (8 M x 16-Bit) CMOS 3.0 Volt-Only Page Mode Flash Memory Data Storage 128 Megabit (8 M x 16-Bit) CMOS
- 940771 KB
- ·AM70PDL127CDH66IS
- SPANSION
- Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
- 867190 KB
- ·AM70PDL127CDH85IS
- SPANSION
- Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
- 867190 KB
- ·AM70PDL127CDH85IT
- SPANSION
- Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
- 867190 KB
- ·AM70PDL129BDH66I
- SPANSION
- Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
- 938226 KB
- ·AM70PDL129BDH66IT
- SPANSION
- 2 x 64 Megabit (8 M x 16-Bit) CMOS 3.0 Volt-Only Page Mode Flash Memory Data Storage 128 Megabit (8 M x 16-Bit) CMOS
- 940771 KB
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