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参数资料
| 型号： | GS1515 |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | HDTV Serial Digital Reclocker |
| 中文描述： | 高清晰度电视串行数字时钟恢复器 |
| 文件页数： | 13/17页 |
| 文件大小： | 336K |
| 代理商： | GS1515 |
522 - 23 - 01
5
G
S
1
515
PIN DESCRIPTIONS
NUMBER
SYMBOL
TYPE
DESCRIPTION
1, 3, 4, 6, 7, 9, 10,
24, 25, 27, 29, 31,
33, 34, 36, 38
NC
No connection. These pins are not bonded to the die.
2
LFS
INPUT
Loop filter capacitor connection.
5LFA_VEE
POWER
Most negative power supply connection - loop filter circuitry.
8LFA_VCC
POWER
Most positive power supply connection - loop filter circuitry.
11
LFA
OUTPUT
Control signal output: control voltage for the external GO1515 VCO.
12
DFT_VEE
POWER
Most negative power supply connection - that enables the jitter demodulator
functionality, this pin should be connected to ground. If left floating, the DM
function is disabled resulting in a current saving of 340A.
13, 14
PLCAP,
PLCAP
INPUT
Control signal input: PLL lock detect time constant capacitor connection.
15, 18, 22
SHIELD
No connect pins separating the DDI inputs, the VCO inputs and the loop filter
components to improve noise performance. Connection to be made to ground
in most cases depending upon PCB performance.
16, 17
VCO, VCO
INPUT
Control signal inputs: differential inputs for the external VCO. The GO1515 has
single ended output. In this case, the VCO input is decoupled to ground.
19
DDI_VTT
INPUT
Centre tap of the two 50
on-chip termination resistors between the DDI and
the DDI inputs.
20, 21
DDI, DDI
INPUT
Differential inputs for the serial digital signals.
23
PD_VCC
POWER
Most positive power supply connection - phase detector circuitry.
26
PD_VEE
POWER
Most negative poser supply connection - phase detector circuitry.
28
CD_VEE
POWER
Most negative power supply connection - cable driver circuitry.
30
RSET
INPUT
Resistor used to set the serial digital output signal swing. It is connected
between here and ground with a very short trace length.
32
CD_VCC
POWER
Most positive power supply connection - cable driver circuitry.
35, 37
SDO, SDO
OUTPUT
Differential serial digital outputs from the on-chip cable driver. These outputs
require 75
pull-up resistors.
39, 40
DM, DM
OUTPUT
Diagnostic signal: if the jitter demodulator function is not used, these pins must
be left floating.
41
IJI
OUTPUT
Status signal output: indicates the amount of excessive jitter on the incoming
DDI and DDI signals.
42
PLL_LOCK
OUTPUT
Status signal output: lock detect and carrier detect: PLL lock indicator output
used to indicate when the PLL is locked. This output is TTL compatible. When
the PLL_LOCK = LOW, the serial digital outputs are muted.
43
BYPASS
INPUT
Control signal input: operational TTL compatible input that controls whether the
input DDI and DDI signal is reclocked (BYPASS = HIGH) or is passed through
the device, unreclocked (BYPASS = LOW). Muting does not affect the
bypassed signal.
44
LFS
INPUT
Loop filter capacitor connection.
相关PDF资料 |
PDF描述 |
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| GS1515-CQM | HDTV Serial Digital Reclocker |
| GS1515-CTM | HDTV Serial Digital Reclocker |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| GS1515-CQM | 制造商:Rochester Electronics LLC 功能描述: 制造商:Gennum Corporation 功能描述: |
| GS1515-CTM | 制造商:GENNUM 制造商全称:GENNUM 功能描述:HDTV Serial Digital Reclocker |
| GS1522 | 制造商:GENNUM 制造商全称:GENNUM 功能描述:HDTV Serial Digital Serializer |
| GS1522_04 | 制造商:GENNUM 制造商全称:GENNUM 功能描述:HDTV Serial Digital Serializer |
| GS1522-CQR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Gennum Corporation 功能描述: |
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