max9225etet Maxim Integrated Products, Inc., max9225etet Datasheet

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max9225etet

Manufacturer Part Number
max9225etet
Description
10-bit, Low-power, 10mhz-to-20mhz Serializer And Deserializer Chipset
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
The MAX9225/MAX9226 serializer/deserializer chipset
reduces wiring by serializing 10 bits onto a single differ-
ential pair. Ten bits are serialized in each cycle of the
parallel input clock resulting in a 100Mbps to 200Mbps
net serial-data rate. The MAX9225 serializes the 8-bit
YUV, HSYNC and VSYNC outputs from a camera mount-
ed in the flip part of the phone, reducing wiring through
the hinge to the baseband processor in the base of the
phone. The 2-wire serial interface uses low-current differ-
ential signaling (LCDS) for low EMI, high common-mode
noise immunity, and ground-shift tolerance. The
MAX9225/MAX9226 automatically identify the word
boundary in the serial data in case of signal interruption.
The MAX9226 power-down is controlled by the
MAX9225. The MAX9225/MAX9226 consume 3.5µA or
less in power-down mode.
The MAX9225 serializer operates from a single +2.375V
to +3.465V supply and accepts +1.71V to +3.465V
inputs. The MAX9226 deserializer operates from a
+2.375V to +3.465V core supply and has a separate
output buffer supply (V
+3.465V output high levels.
The MAX9225/MAX9226 are specified over the -40°C to
+85°C extended temperature range and are available
in 16-pin TQFN (3mm x 3mm x 0.8mm) packages with
an exposed paddle.
19-3680; Rev 1; 12/07
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
PARALLEL
CLOCK IN
DATA IN
Cell Phone Cameras
Digital Cameras
PIXEL
MAX9225
________________________________________________________________ Maxim Integrated Products
LATCH
INPUT
General Description
DDO
10-Bit, Low-Power, 10MHz-to-20MHz
CONTROL
), allowing +1.71V to
TIMING
Serializer and Deserializer Chipset
AND
DLL
Applications
POWER-DOWN
CONTROL
LCDS
♦ Ideal for Serializing Cell Phone Camera Parallel
♦ MAX9225 Serializes 8-Bit YUV, HSYNC, and VSYNC
♦ LCDS Rejects Common-Mode Noise
♦ Automatic Location of Word Boundary After
♦ Power-Down Control Through the Serial Link
♦ Power-Down Supply Current
♦ +2.375V to +3.465V Core Supply Voltage
♦ Parallel I/O Interfaces Directly to 1.8V to 3.3V Logic
♦ ±15kV Human Body Model ESD Protection
♦ -40°C to +85°C Operating Temperature Range
+Denotes lead-free package.
*EP = Exposed paddle.
Pin Configurations appear at end of data sheet.
M A X9 2 2 5 E TE
M AX 9225E TE + - 40°C to + 85° C 16 TQ FN - E P * T1633- 4 AD O
M A X9 2 2 6 E TE
M AX 9226E TE + - 40°C to + 85° C 16 TQ FN - E P * T1633- 4 AD X
MAX9226
Interface
Signal Interruption
0.5µA (max) for MAX9225
3.0µA (max) for MAX9226
PA R T
Typical Application Circuit
TIMING AND CONTROL
- 40°C to + 85° C 16 TQ FN - E P * T1633- 4 AD O
- 40°C to + 85° C 16 TQ FN - E P * T1633- 4 AD X
R A N G E
T EM P
Ordering Information
PA C K A G E
PIN -
PIXEL
CLOCK OUT
PARALLEL
DATA OUT
Features
C O D E
PK G
M A R K
T O P
1

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max9225etet Summary of contents

Page 1

Rev 1; 12/07 10-Bit, Low-Power, 10MHz-to-20MHz Serializer and Deserializer Chipset General Description The MAX9225/MAX9226 serializer/deserializer chipset reduces wiring by serializing 10 bits onto a single differ- ential pair. Ten bits are serialized in each cycle of the parallel input ...

Page 2

Low-Power, 10MHz-to-20MHz Serializer and Deserializer Chipset ABSOLUTE MAXIMUM RATINGS V to GND ...........................................................-0.5V to +4. GND.........................................................-0.5V to +4.0V DDO Serial Interface (SDO+, SDO-, SDI+, SDI-) to GND .....................................................-0.5V to +4.0V Single-Ended Inputs (DIN_, PCLKIN, PWRDN) to ...

Page 3

Low-Power, 10MHz-to-20MHz Serializer and Deserializer Chipset DC ELECTRICAL CHARACTERISTICS (MAX9226 +2.375V to +3.465V +1.71V to +3.465V DDO V = +2.5V +25°C.) (Notes 1, 2) DDO A PARAMETER SYMBOL SINGLE-ENDED OUTPUTS (PCLKOUT, ...

Page 4

Low-Power, 10MHz-to-20MHz Serializer and Deserializer Chipset AC ELECTRICAL CHARACTERISTICS (MAX9225 +2.375V to +3.465V -40°C to +85°C, unless otherwise noted. Typical values are PARAMETER SYMBOL PCLKIN INPUT REQUIREMENTS (Figure 3) Input Rise ...

Page 5

Low-Power, 10MHz-to-20MHz Serializer and Deserializer Chipset ODD DIN_ EVEN DIN_ PCLKIN Figure 1. Serializer Worst-Case Switching Pattern V IH PCLKIN DIN_ PWRDN THE MINIMUM HIGH-LEVEL INPUT, AND V IS THE MAXIMUM LOW-LEVEL INPUT ...

Page 6

Low-Power, 10MHz-to-20MHz Serializer and Deserializer Chipset ( +2.8V, logic input levels = 0 to +2.8V, logic output load C DD DDO MAX9225 SUPPLY CURRENT vs. SUPPLY VOLTAGE 10 DIN[9:0] = ALL LOW PCLKIN = 20MHz 8 ...

Page 7

Low-Power, 10MHz-to-20MHz Serializer and Deserializer Chipset ( +2.8V, logic input levels = 0 to +2.8V, logic output load C DD DDO MAX9226 SUPPLY CURRENT vs. SUPPLY VOLTAGE 11 DIN[9:0] = WORST-CASE SWITCHING PATTERN 10 PCLKOUT = ...

Page 8

Low-Power, 10MHz-to-20MHz Serializer and Deserializer Chipset PIN NAME 1–7, DIN6–DIN0, Single-Ended Parallel Data Inputs. The 10 data bits are loaded into the input latch on the rising 14, 15, 16 DIN9, DIN8, DIN7 edge of PCLKIN. 1.71V to 3.465V ...

Page 9

Low-Power, 10MHz-to-20MHz Serializer and Deserializer Chipset Functional Diagram (MAX9225) INPUT DIN[9:0] LATCH TIMING PCLKIN AND CONTROL DLL MAX9225 Detailed Description The MAX9225 serializer operates at a 10MHz-to-20MHz parallel clock frequency, serializing 10 bits of parallel input data DIN[9:0] in ...

Page 10

Low-Power, 10MHz-to-20MHz Serializer and Deserializer Chipset PARALLEL DATA INPUT PCLK IN DIN[9:0] DIN EXAMPLE INPUT LCDS SERIAL-DATA OUTPUT FOR EXAMPLE INPUT (SD0+/SDO NOTE: OH1 AND OH2 ARE OPPOSITE POLARITY. Figure 5. Multilevel LCDS Output Representation Applications ...

Page 11

Low-Power, 10MHz-to-20MHz Serializer and Deserializer Chipset POWER-UP AND LINK IN POWER- SYNCHRONIZATION DOWN PWRDN 1 2 PCLKIN DON'T CARE DIN_ DOUT_ PCLKOUT Figure 6. MAX9225/MAX9226 Power-Up/Power-Down Sequence Flex Cable, PCB Interconnect, Interconnect for LCDS typically has a differential imped- ...

Page 12

Low-Power, 10MHz-to-20MHz Serializer and Deserializer Chipset TOP VIEW DIN9 14 MAX9225 DIN8 15 16 DIN7 1 2 TQFN-EP 12 ______________________________________________________________________________________ PCLKIN 13 8 DOUT7 DIN0 7 DOUT8 14 6 DIN1 DOUT9 ...

Page 13

Low-Power, 10MHz-to-20MHz Serializer and Deserializer Chipset (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) E MARKING E/2 AAAA D 0.10 C ...

Page 14

Low-Power, 10MHz-to-20MHz Serializer and Deserializer Chipset (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) PKG 8L 3x3 12L 3x3 REF. MIN. NOM. MAX. MIN. ...

Page 15

... Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 15 © 2007 Maxim Integrated Products Springer Revision History DESCRIPTION is a registered trademark of Maxim Integrated Products, Inc. PAGES CHANGED — ...

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