MAX9249GCM/V+T Maxim Integrated Products, MAX9249GCM/V+T Datasheet - Page 8

• Manufacturer Part Number: MAX9249GCM/V+T
• Description: IC SERIALIZER GMSL LVDS 48TQFP
• Manufacturer: Maxim Integrated Products

Specifications of MAX9249GCM/V+T

• Function: Serializer
• Data Rate: 2.5Gbs
• Input Type: LVDS
• Output Type: Serial
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 48-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Outputs: -
• Number Of Inputs: -

Gigabit Multimedia Serial Link
Serializer with LVDS System Interface
8
______________________________________________________________________________________
22, 39
23, 38
24, 37
30, 31
40, 46
PIN
20
25
26
27
28
33
34
35
36
41
42
43
44
RX/SDA
TX/SCL
CNTL2
IOVDD
NAME
PWDN
DVDD
OUT+
LMN1
OUT-,
LMN0
SSEN
GND
LFLT
BWS
CDS
DRS
N.C.
INT
MS
Control Input 2 with Internal Pulldown to GND. Data is latched every RXCLKIN_ cycle (Figure 7).
CNTL2 is not available in 3-channel mode. Drive BWS high (4-channel mode) to use this input.
CNTL2 is mapped to DIN28.
1.8V Digital Power Supply. Bypass DVDD to GND with 0.1FF and 0.001FF capacitors as close as
possible to the device with the smaller value capacitor closest to DVDD.
Digital and I/O Ground
I/O Supply Voltage. 1.8V to 3.3V logic I/O power supply. Bypass IOVDD to GND with 0.1FF and
0.001FF capacitors as close as possible to the device with the smallest value capacitor closest to
IOVDD.
Receive/Serial Data. UART receive or I
IOVDD. In UART mode, RX/SDA is the Rx input of the MAX9249’s UART. In I
the SDA input/output of the MAX9249’s I
Transmit/Serial Clock. UART transmit or I
In UART mode, TX/SCL is the Tx output of the MAX9249’s UART. In I
output of the MAX9249’s I
Spread-Spectrum Enable. Serial link spread-spectrum enable input requires external pulldown or
pullup resistors. The state of SSEN latches upon power-up or when resuming from power-down
mode (PWDN = low). Set SSEN = high for Q0.5% spread spectrum on the serial link. Set SSEN =
low to use the serial link without spread spectrum.
Line-Fault Monitor Input 1 (see Figure 3 for details)
Differential CML Output+/-. Differential outputs of the serial link.
Line-Fault Monitor Input 0 (see Figure 3 for details)
Line Fault. Active-low, open-drain line-fault output with a 60kI internal pullup resistor. LFLT = low
indicates a line fault. LFLT is high impedance when PWDN = low.
Interrupt Output to Indicate Remote Side Requests. INT = low upon power-up and when PWDN =
low. A transition on the INT input of the GMSL deserializer toggles the MAX9249’s INT output.
Data-Rate Select. Data-rate range-selection input requires external pulldown or pullup resistors.
Set DRS = high for RXCLKIN_ frequencies of 8.33MHz to 16.66MHz (3-channel mode) or 6.25MHz
to 12.5MHz (4-channel mode). Set DRS = low for RXCLKIN_ frequencies of 16.66MHz to 104MHz
(3-channel mode) or 12.5MHz to 78MHz (4-channel mode).
Internally Not Connected. Connect to GND or leave unconnected.
Bus-Width Select. Input width selection requires external pulldown or pullup resistors. Set BWS =
low for 3-channel mode. Set BWS = high for 4-channel mode.
Power-Down. Active-low power-down input requires external pulldown or pullup resistors.
Control Direction Selection. Control link direction selection input requires external pulldown or
pullup resistors. Set CDS = low for FC use on the MAX9249 side of the serial link. Set CDS = high
for FC use on the GMSL deserializer side of the serial link.
Mode Select. Control link mode-selection input requires external pulldown or pullup resistors. Set
MS = low to select base mode. Set MS = high to select the bypass mode.
2
C master.
2
C serial-data input/output with internal 30kI pullup to
2
2
C master.
C serial-clock output with internal 30kI pullup to IOVDD.
FUNCTION
Pin Description (continued)
2
C mode, TX/SCL is the SCL
2
C mode, RX/SDA is