SCAN12100TYA/NOPB National Semiconductor, SCAN12100TYA/NOPB Datasheet - Page 18

• Manufacturer Part Number: SCAN12100TYA/NOPB
• Description: IC SERIAL/DESERIAL CPRI 100-TQFP
• Manufacturer: National Semiconductor
• Series: SCANr

Specifications of SCAN12100TYA/NOPB

• Function: Serializer/Deserializer
• Data Rate: 614.4Mbps
• Input Type: LVTTL/LVCMOS
• Output Type: LVTTL, LVCMOS
• Number Of Inputs: 10
• Number Of Outputs: 10
• Voltage - Supply: 1.8 V ~ 3.3 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 100-TQFP Exposed Pad, 100-eTQFP, 100-HTQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SCAN12100TYA

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WRITE MODE (RXCLKMODE = 0)
In write mode, RXCLK is the recovered clock output. The pins
ROUT[9:0], CDET, LOCKB, and LOS are synchronous to
RXCLK.
READ MODE (RXCLKMODE = 1)
In read mode, RXCLK is an input and the pins ROUT[9:0],
CDET, LOCKB, and LOS are latched by the RXCLK input
RXPWDNB
Rx Output
ROUT[3]
ROUT[4]
ROUT[5]
ROUT[6]
ROUT[7]
ROUT[8]
ROUT[9]
0
1
1
1
Missing REFCLK & in 10B
Not Locked
TABLE 11. Receiver Output Truth Table (10-bit Mode, TENBMODE = 1)
Rx PLL
Locked
mode
x
10-bit Mode (TENBMODE = 1)
FIGURE 5. Write Mode and Read Mode Diagram
Coded Data Bit
Coded Data Bit
Coded Data Bit
Coded Data Bit
Coded Data Bit
Coded Data Bit
Coded Data Bit
running at DDR Rate
Based on REFCLK
Recovered Clock
High - Z
High - Z
RXCLK
18
strobe. Note that for read mode, RXCLK must be syn-
chronous to the incoming serial data stream to avoid receiver
FIFO over- and underflow.
30.72 MHz based on
30.72 MHz based on
Undefined
SYSCLK
REFCLK
High - Z
RXCLK
8-bit Mode (TENBMODE = 0)
20209504
Line Code Error Flag
Data Bit 7 (H, msb)
Data Bit 6 (G)
Data Bit 3 (D)
Data Bit 4 (E)
Data Bit 5 (F)
D/K Flag (Z)
Deserialized 10-bit Word
1111111111
ROUT[9:0]
Undefined
High - Z