IDT77V1253L25PGI IDT, Integrated Device Technology Inc, IDT77V1253L25PGI Datasheet - Page 11

• Manufacturer Part Number: IDT77V1253L25PGI
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT77V1253L25PGI

• Data Rate: 25.6/51.2Mbps
• Number Of Channels: 3
• Type Of Atm Phy Interface: DPI/UTOPIA
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Pin Count: 144
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Not Compliant

TRIPLE PORT PHY (PHYSICAL LAYER) FOR 25.6
AND 51.2 MBPS ATM NETWORKS
P0_RD[3:0]
P1_RD[3:0]
P2_RD[3:0]
P0_TD[3:0]
P1_TD[3:0]
P2_TD[3:0]
Mode[1:0]
P0_RFRM
P1_RFRM
P2_RFRM
P0_TFRM
P1_TFRM
P2_TFRM
P0_RCLK
P1_RCLK
P2_RCLK
P0_TCLK
P1_TCLK
P2_TCLK
AD[7:0]
OSC
RST
ALE
INT
WR
RD
CS
Microprocessor
(Utility Bus)
DPICLK
Multi-PHY
Interface
Interface
DPI
Figure 3. Block Diagram for DPI configuration (MODE[1:0] = 10)
RxREF
TxREF
Tx/Rx ATM
Tx/Rx ATM
Tx/Rx ATM
Cell FIFO
Cell FIFO
Cell FIFO
RxLED[2:0] TxLED[2:0]
Descrambler
Descrambler
Descrambler
Scrambler/
Scrambler/
Scrambler/
3
11
3
Encoding/
Encoding/
Encoding/
Decoding
Decoding
Decoding
5B/4B
5B/4B
5B/4B
P/S and S/P
P/S and S/P
P/S and S/P
NRZI
NRZI
NRZI
Clock/Data
Clock/Data
Clock/Data
Recovery
Recovery
Recovery
Driver
Driver
Driver
4781 drw 04
+
-
+
-
+
-
+
-
+
-
+
-
Tx Port 0
Rx Port 0
Tx Port 1
Rx Port 1
Tx Port 2
Rx Port 2
IDT77V1253