Features: · Single chip ATM Layer UTOPIA Level 1 to 4-bit DPI interface.· Supports ATM Forum UTOPIA Level 1 interface.· Supports ATM device interface in Cell mode.· Capable of full-duplex operation up-to 160 Mbps.· Utility bus interface to access PHY registers.· In-stream control to access PHY reg...
IDT77010: Features: · Single chip ATM Layer UTOPIA Level 1 to 4-bit DPI interface.· Supports ATM Forum UTOPIA Level 1 interface.· Supports ATM device interface in Cell mode.· Capable of full-duplex operation ...
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Symbol |
Parameter |
MIN. |
MAX. |
UNIT |
VCC |
5V Digital Supply Voltage |
0.3 |
6.0 |
V |
VDD |
3.3V Digital Supply Voltage |
0.3 |
4.6 |
V |
VIN |
Digital Input Voltage |
VSS |
VCC + 0.5 |
V |
IOUT |
Output Current |
____ |
50 |
mA |
TSTG |
Storage Temperature |
55 |
140 |
°C |
The 77010 interfaces a UTOPIA PHY device to a device that uses a Data Path Interface (DPI). Examples of PHY devices may include the IDT77105, and the IDT77V400 Switching Memory is an example of a component that utilizes a DPI interface. Figure 1 illustrates a typical application using the IDT77010.
The UTOPIA level 1 bus interface runs at speeds up to 155 Mbps, with the DPI-4 interface capable of full duplex operation at 160 Mbps. In-stream programming is used to read and write to the PHY registers, with the Control Cells of IDT77010 being generated from a remote controlling agent. The Control Cells are used to configure, control and retrieve status of the PHY device.