DS90UB903QSQ/NOPB National Semiconductor, DS90UB903QSQ/NOPB Datasheet - Page 22

• Manufacturer Part Number: DS90UB903QSQ/NOPB
• Description: IC SER/DESER 10-43MHZ 18B 40LLP
• Manufacturer: National Semiconductor

Specifications of DS90UB903QSQ/NOPB

• Function: Serializer
• Data Rate: 900Mbps
• Input Type: LVCMOS
• Output Type: CML
• Number Of Inputs: 1
• Number Of Outputs: 1
• Voltage - Supply: 1.71 V ~ 1.89 V, 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 40-WFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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(Hex)
Addr
TABLE 2. DS90UB904Q Control Registers
0
1
2
I
RESERVED
2
OSS Select
Auto Clock
C Device ID
SSCG
Name
Reset
Bits
7:1
7:3
7:6
3:0
0
2
1
0
5
4
DEVICE ID
DES ID SEL
RESERVED
REM_WAKEUP
DIGITALRESET0
DIGITALRESET1
RESERVED
AUTO_CLOCK
OSS_SEL
SSCG
Field
R/W
RW
RW
RW
RW
RW
RW
22
0x00'h
self clear
self clear
Default
0xC0'h
0000'b
00'b
0
0
0
0
0
7-bit address of Deserializer;
0x60h
(1100_000X) default
0: Device ID is from ID[x]
1: Register I
Reserved
Remote Wake-up Select
1: Enable
Generate remote wakeup signal automatically wake-up
the Serializer in Standby mode
0: Disable
Puts the Serializer in Standby mode
1: Resets the device to default register values. Does not
affect device I
1: Digital Reset, retains all register values
Reserved
1: Output PCLK or Internal 25 MHz Oscillator clock
0: Only PCLK when valid PCLK present
Output Sleep State Select
0: Outputs = TRI-STATE, when LOCK = L
1: Outputs = LOW , when LOCK = L
SSCG Select
0000: Normal Operation, SSCG OFF (default)
0001: fmod (kHz) PCLK/2168, fdev ±0.50%
0010: fmod (kHz) PCLK/2168, fdev ±1.00%
0011: fmod (kHz) PCLK/2168, fdev ±1.50%
0100: fmod (kHz) PCLK/2168, fdev ±2.00%
0101: fmod (kHz) PCLK/1300, fdev ±0.50%
0110: fmod (kHz) PCLK/1300, fdev ±1.00%
0111: fmod (kHz) PCLK/1300, fdev ±1.50%
1000: fmod (kHz) PCLK/1300, fdev ±2.00%
1001: fmod (kHz) PCLK/868, fdev ±0.50%
1010: fmod (kHz) PCLK/868, fdev ±1.00%
1011: fmod (kHz) PCLK/868, fdev ±1.50%
1100: fmod (kHz) PCLK/868, fdev ±2.00%
1101: fmod (kHz) PCLK/650, fdev ±0.50%
1110: fmod (kHz) PCLK/650, fdev ±1.00%
1111: fmod (kHz) PCLK/650, fdev ±1.50%
2
C Device ID overrides ID[x]
2
C Bus or Device ID
Description