SCAN25100TYA/NOPB National Semiconductor, SCAN25100TYA/NOPB Datasheet - Page 29

• Manufacturer Part Number: SCAN25100TYA/NOPB
• Description: IC SERIAL/DESERIAL CPRI 100-TQFP
• Manufacturer: National Semiconductor
• Series: SCANr

Specifications of SCAN25100TYA/NOPB

• Function: Serializer/Deserializer
• Data Rate: 2.5Gbps
• Input Type: LVTTL/LVCMOS
• Output Type: LVTTL, LVCMOS
• Number Of Inputs: 10
• Number Of Outputs: 10
• Voltage - Supply: 1.7 V ~ 1.9 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 100-TQFP Exposed Pad, 100-eTQFP, 100-HTQFP, 100-VQFP
• Operating Temperature (min): -40C
• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Package Type: TQFP EP
• Rad Hardened: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SCAN25100TYA

Bit
D15-D12
D11
D10-D9
D8-D1
D0
Bit
D15–D0
Bit
D15–D0
Bit
D15–D6
D5
D4–D0
Bit
D15–D0
Bit
D15–D6
D5
D4–D0
DCM
Reserved
T14 Lower
T14 Upper
Toffset Lower
Toffset Upper
Address: 19h Value: 0000h
Address: 1Ah 1Bh 1Ch 1Dh Value: 0000h
Address 1Eh Value: 0000h
Address 1Fh Value: 0000h
Address 20h Value: 0000h
Address 21h Value: 0000h
Default
4'h0
1'b0
2'b00
7'd0
1'b0
Default
16'd0
Default
16'd0
Default
10'd0
1'd0
5'd0
Default
16'd0
Default
10'd0
1'd0
5'd0
Bit Name
Reserved
Hyperframe Length
Enable
Initial Power up wait
cycle
2'b00
2'b01
2'b10
2'b11
Reserved
Enable DCM
Bit Name
Reserved
Bit Name
T14 Lower
Bit Name
Reserved
Reserved
T14 Upper
Bit Name
Toffset Lower
Bit Name
Reserved
Reserved
Toffset Upper
Access
Access
Access
Access
Access
Access
RW
RW
RW
RW
RW
RO
RO
RO
RO
RO
RO
RO
RO
RO
Bit Description
Reserved for future use. Returns undefined value when read.
Enables non-standard hyperframe length to be used with DCM
These bits program the power up wait cycle for CPRI delay bias circuitry
66us
33us
66us
128us
Reserved for future use. Returns undefined value when read.
A value [1] enables DCM control circuitry.
Bit Description
Reserved for future use. Returns undefined value when read.
Bit Description
Lower 16 T14 DCM bits. T14 is defined as Tx serial to Rx serial delay.
This is the round trip delay of the cable + remote side.
Bit Description
Reserved for future use. Returns undefined value when read.
Reserved for future use. Returns undefined value when read.
Upper 5 T14 DCM bits. T14 is defined as Tx serial to Rx serial delay.
This is the round trip delay of the cable + remote side.
Bit Description
Lower 16 Toffset DCM bits. Toffset is defined as the Rx serial to Tx serial
delay.
Bit Description
Reserved for future use. Returns undefined value when read.
Reserved for future use. Returns undefined value when read.
Upper 5 Toffset DCM bits. Toffset is defined as the Rx serial to Tx serial
delay.
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