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| 型號： | MAX3690ECJ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SERIALIZR 622MBPS TTL 32-TQFP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS |
| 產(chǎn)品變化通告： | Product Discontinuation 20/Feb/2012 |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 功能： | 串行器 |
| 數(shù)據(jù)速率： | 622Mbps |
| 輸入類型： | TTL |
| 輸出類型： | PECL |
| 輸入數(shù)： | 8 |
| 輸出數(shù)： | 1 |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-LQFP |
| 供應(yīng)商設(shè)備封裝： | 32-LQFP（7x7） |
| 包裝： | 托盤 |
MAX3690
+3.3V, 622Mbps, SDH/SONET 8:1 Serializer
with Clock Synthesis and TTL Inputs
4
_______________________________________________________________________________________
______________________________________________________________Pin Description
NAME
FUNCTION
1–8
PD0–PD7
TTL Parallel-Data Inputs. Data is clocked in on the PCLKI signal’s positive transition.
9, 10, 17,
18, 19, 24,
25, 26,
31, 32
GND
Ground
PIN
11
PCLKO
TTL Parallel-Clock Output. Use positive transition of PCLKO to clock the overhead management
circuit.
12, 13, 16,
21, 28, 29
VCC
+3.3V Supply Voltage
20
CKSET
Reference Clock Rate Programming Pin.
CKSET = open: Reference clock rate = 77.76MHz
CKSET = 20k
to GND: Reference clock rate = 51.84MHz
CKSET = GND: Reference clock rate = 38.88MHz
15
SD+
Noninverting PECL Serial-Data Output
14
SD-
Inverting PECL Serial-Data Output
30
PCLKI
TTL Parallel-Clock Input. Connect the incoming parallel-data-clock signal to the PCLKI input. The
active edge is the positive transitioning edge.
27
RCLK
TTL Reference-Clock Input. Connect a crystal reference clock (77.76MHz, 51.84MHz or 38.88MHz) to
the RCLK input. The active edge is the positive transitioning edge.
23
FIL+
Filter Capacitor Input. Connect a 1F capacitor between FIL- and VCC.
_______________Detailed Description
The MAX3690 serializer comprises an 8-bit parallel
input register, an 8-bit shift register, control and timing
logic, a PECL output buffer, TTL input/output buffers,
and a frequency-synthesizing PLL (consisting of a
phase/frequency detector, loop filter/amplifier, voltage-
controlled oscillator, and programmable prescaler).
This device converts 8-bit-wide, 77Mbps parallel data
to 622Mbps serial data (Figure 1).
The PLL synthesizes an internal 622MHz reference
used to clock the output shift register. This clock is
generated by locking onto the external crystal refer-
ence clock signal (RCLK) operating at either
77.76MHz, 51.84MHz, or 38.88MHz. The incoming par-
allel data is clocked into the MAX3690 on the rising
transition of the parallel-clock-input signal (PCLKI). The
control and timing logic ensure proper operation if the
parallel-input register is latched within a window of time
that is defined with respect to the parallel-clock-output
signal (PCLKO). PCLKO is the synthesized 622MHz
internal serial-clock signal divided by eight. Parallel-
clock output to parallel-clock-input delay (skew) must
be observed. Figure 2 shows the timing diagram.
PECL Outputs
The serial-data PECL outputs (SD+, SD-) require 50
DC termination to (VCC - 2V). See the Alternative PECL-
Output Termination section.
22
FIL-
Filter Capacitor Input. Connect a 1F capacitor between FIL- and VCC.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3690ECJ+ | 功能描述:串行器/解串器 - Serdes 3.3V 622Mbps SDH/ SONET 1:8 Serializer RoHS:否 制造商:Texas Instruments 類型:Deserializer 數(shù)據(jù)速率:1.485 Gbit/s 輸入類型:ECL/LVDS 輸出類型:LVCMOS 輸入端數(shù)量:1 輸出端數(shù)量:20 工作電源電壓:2.375 V to 2.625 V 工作溫度范圍:0 C to + 70 C 封裝 / 箱體:TQFP-64 |
| MAX3690ECJ+T | 功能描述:串行器/解串器 - Serdes 3.3V 622Mbps SDH/ SONET 1:8 Serializer RoHS:否 制造商:Texas Instruments 類型:Deserializer 數(shù)據(jù)速率:1.485 Gbit/s 輸入類型:ECL/LVDS 輸出類型:LVCMOS 輸入端數(shù)量:1 輸出端數(shù)量:20 工作電源電壓:2.375 V to 2.625 V 工作溫度范圍:0 C to + 70 C 封裝 / 箱體:TQFP-64 |
| MAX3690ECJT | 制造商:MAXIM 功能描述:New |
| MAX3690ECJ-T | 功能描述:串行器/解串器 - Serdes RoHS:否 制造商:Texas Instruments 類型:Deserializer 數(shù)據(jù)速率:1.485 Gbit/s 輸入類型:ECL/LVDS 輸出類型:LVCMOS 輸入端數(shù)量:1 輸出端數(shù)量:20 工作電源電壓:2.375 V to 2.625 V 工作溫度范圍:0 C to + 70 C 封裝 / 箱體:TQFP-64 |
| MAX3690EVKIT | 功能描述:界面開發(fā)工具 Evaluation Kit for the MAX3690 RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
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