JAJSCX6B
January 2017 – July 2019
LMK04610
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
概略回路図
4
改訂履歴
5
概要 (続き)
6
Device Comparison Table
7
Pin Configuration and Functions
Pin Functions: LMK04610
8
Specifications
8.1
Absolute Maximum Ratings
8.2
ESD Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Digital Input and Output Characteristics (CLKin_SEL, STATUSx, SYNC, RESETN)
8.6
Clock Input Characteristics (CLKinX)
8.7
Clock Input Characteristics (OSCin)
8.8
PLL1 Specification Characteristics
8.9
PLL2 Specification Characteristics
8.10
Clock Output Type Characteristics (CLKoutX)
8.11
Oscillator Output Characteristics (OSCout)
8.12
Jitter and Phase Noise Characteristics for CLKoutX and OSCout
8.13
Clock Output Skew and Isolation Characteristics
8.14
Clock Output Delay Characteristics
8.15
DEFAULT POWER on RESET CLOCK OUTPUT Characteristics
8.16
Power Supply Characteristics
8.17
Typical Power Supply Noise Rejection Characteristics
8.18
SPI Interface Timing
8.19
Timing Diagram
8.20
Typical Characteristics
8.20.1
Clock Output AC Characteristics
9
Parameter Measurement Information
9.1
Differential Voltage Measurement Terminology
9.2
Output Termination Scheme
9.2.1
HSDS 4/6/8mA
9.2.2
HCSL
9.2.3
LVCMOS
10
Detailed Description
10.1
Overview
10.1.1
Jitter Cleaning
10.1.2
Two Redundant Reference Inputs (CLKin0/CLKin0*, CLKin1/CLKin1*)
10.1.3
VCXO Buffered Output
10.1.4
Frequency Holdover
10.1.5
Integrated Programmable PLL1 and PLL2 Loop Filter
10.1.6
Internal VCOs
10.1.7
Clock Distribution
10.1.7.1
Output Clock Divider
10.1.7.2
Output Clock Delay
10.1.7.3
Glitchless Half-Step and Glitchless Analog Delay
10.1.7.4
Programmable Output Formats
10.1.7.5
Clock Output SYNChronization
10.1.8
Status Pins
10.2
Functional Block Diagram
10.3
Feature Description
10.3.1
Reference Inputs (CLKin0/CLKin0*, CLKin1/CLKin1*)
10.3.1.1
Input Clock Switching
10.3.1.1.1
Input Clock Switching – Register Select Mode
10.3.1.1.2
Input Clock Switching – Pin Select Mode (CLKin_SEL)
10.3.1.1.3
Input Clock Switching – Automatic Mode
10.3.1.2
Loss of Signal Detection – LOS
10.3.1.2.1
LOS – Assertion
10.3.1.2.2
LOS – Reference Clock Recovery
10.3.1.3
Driving CLKin and OSCin Inputs
10.3.1.3.1
Driving CLKin and OSCin Pins With a Differential Source
10.3.1.3.2
Driving CLKin and OSCin Pins With a Single-Ended Source
10.3.2
Clock Outputs (CLKoutX)
10.3.2.1
HCSL
10.3.2.2
HSDS
10.3.2.3
SYNC
10.3.2.4
Digital Delay
10.3.2.4.1
Fixed Digital Delay
10.3.2.4.2
Dynamic Digital Delay
10.3.2.5
Analog Delay
10.3.3
OSCout
10.3.3.1
Pin-Controlled OSCout Divider
10.3.4
STATUS0/1 and SYNC Pin Functions
10.3.4.1
Common STATUS0/1 and SYNC Pin Functions
10.3.4.2
Additional STATUS0 Pin Functions
10.3.4.3
Additional SYNC Pin Functions
10.3.5
PLL1 and PLL2
10.3.5.1
PLL1
10.3.5.1.1
PLL1 Proportional Modes
10.3.5.1.2
PLL1 Higher Order Poles
10.3.5.2
PLL2
10.3.5.2.1
PLL2 Divider
10.3.5.2.2
PLL2 Input Modes
10.3.5.2.3
PLL2 Loop Filter
10.3.5.2.4
PLL2 3rd Order Loop Filter
10.3.5.2.5
PLL2 Voltage Controlled Oscillator (VCO)
10.3.5.2.6
Examples of PLL2 Setting
10.3.5.3
Digital Lock Detect
10.3.5.3.1
Calculating Digital Lock Detect Frequency Accuracy
10.3.6
Holdover
10.3.6.1
Holdover Flowchart
10.3.6.2
Enable Holdover
10.3.6.2.1
Automatic Tracked CTRL_VCXO Holdover Mode
10.3.6.3
Enter Holdover
10.3.6.3.1
LOS_x Detect
10.3.6.3.2
PLL1 DLD Detect
10.3.6.3.3
CTRL_VCXO Rail Detect
10.3.6.3.3.1
Absolute Limits
10.3.6.3.3.2
Relative Limits
10.3.6.3.4
Manual Holdover Enable – Register Control
10.3.6.3.5
Manual Holdover Enable – Pin Control
10.3.6.3.6
Start-Up into Holdover
10.3.6.4
During Holdover
10.3.6.5
Exiting Holdover
10.3.6.6
Holdover Frequency Accuracy
10.3.6.7
Holdover Mode – Automatic Exit by LOS Deassertion
10.3.6.8
Holdover Mode – Automatic Exit of Holdover With Holdover Counter
10.3.7
JEDEC JESD204B
10.3.7.1
SYNC Pins
10.3.7.2
SYNC modes
10.3.7.3
SYSREF Modes
10.3.7.3.1
SYSREF Pulser
10.3.7.3.1.1
SPI Pulser Mode
10.3.7.3.1.2
Pin Pulser Mode
10.3.7.3.1.3
Multiple SYSREF Frequencies
10.3.7.3.2
Continuous SYSREF
10.3.7.3.3
SYSREF Request
10.3.7.4
How to Enable SYSREF
10.3.7.4.1
Setup Example 1: Pulser Mode, Pin Controlled
10.3.7.4.2
Setup Example 2: Pulser Mode, Spi Controlled
10.3.8
Zero Delay Mode (ZDM)
10.3.9
Power-Up Sequence
10.4
Device Functional Modes
10.4.1
Dual PLL
10.4.2
Single PLL
10.4.3
PLL2 Bypass
10.4.4
Clock Distribution
10.5
Programming
10.5.1
Recommended Programming Sequence
10.5.1.1
Readback
10.6
Register Maps
10.6.1
Register Map for Device Programming
10.6.2
Device Register Descriptions
10.6.2.1
CONFIGA
10.6.2.2
RESERVED1
10.6.2.3
RESERVED2
10.6.2.4
CHIP_TYPE
10.6.2.5
CHIP_ID_BY1
10.6.2.6
CHIP_ID_BY0
10.6.2.7
CHIP_VER
10.6.2.8
RESERVED3
10.6.2.9
RESERVED4
10.6.2.10
RESERVED5
10.6.2.11
RESERVED6
10.6.2.12
RESERVED7
10.6.2.13
VENDOR_ID_BY1
10.6.2.14
VENDOR_ID_BY0
10.6.2.15
RESERVED8
10.6.2.16
RESERVED9
10.6.2.17
STARTUP_CFG
10.6.2.18
STARTUP
10.6.2.19
DIGCLKCTRL
10.6.2.20
PLL2REFCLKDIV
10.6.2.21
GLBL_SYNC_SYSREF
10.6.2.22
CLKIN_CTRL0
10.6.2.23
CLKIN_CTRL1
10.6.2.24
CLKIN0CTRL
10.6.2.25
CLKIN1CTRL
10.6.2.26
CLKIN0RDIV_BY1
10.6.2.27
CLKIN0RDIV_BY0
10.6.2.28
CLKIN1RDIV_BY1
10.6.2.29
CLKIN1RDIV_BY0
10.6.2.30
CLKIN0LOS_REC_CNT
10.6.2.31
CLKIN0LOS_LAT_SEL
10.6.2.32
CLKIN1LOS_REC_CNT
10.6.2.33
CLKIN1LOS_LAT_SEL
10.6.2.34
CLKIN_SWCTRL0
10.6.2.35
CLKIN_SWCTRL1
10.6.2.36
CLKIN_SWCTRL2
10.6.2.37
OSCIN_CTRL
10.6.2.38
OSCOUT_CTRL
10.6.2.39
OSCOUT_DIV
10.6.2.40
OSCOUT_DRV
10.6.2.41
OUTCH_SWRST
10.6.2.42
OUTCH1CNTL0
10.6.2.43
OUTCH1CNTL1
10.6.2.44
OUTCH2CNTL0
10.6.2.45
OUTCH2CNTL1
10.6.2.46
OUTCH34CNTL0
10.6.2.47
OUTCH34CNTL1
10.6.2.48
OUTCH5CNTL0
10.6.2.49
OUTCH5CNTL1
10.6.2.50
OUTCH6CNTL0
10.6.2.51
OUTCH6CNTL1
10.6.2.52
OUTCH78CNTL0
10.6.2.53
OUTCH78CNTL1
10.6.2.54
OUTCH9CNTL0
10.6.2.55
OUTCH9CNTL1
10.6.2.56
OUTCH10CNTL0
10.6.2.57
OUTCH10CNTL1
10.6.2.58
OUTCH1DIV_BY1
10.6.2.59
OUTCH1DIV_BY0
10.6.2.60
OUTCH2DIV_BY1
10.6.2.61
OUTCH2DIV_BY0
10.6.2.62
OUTCH34DIV_BY1
10.6.2.63
OUTCH34DIV_BY0
10.6.2.64
OUTCH5DIV_BY1
10.6.2.65
OUTCH5DIV_BY0
10.6.2.66
OUTCH6DIV_BY1
10.6.2.67
OUTCH6DIV_BY0
10.6.2.68
OUTCH78DIV_BY1
10.6.2.69
OUTCH78DIV_BY0
10.6.2.70
OUTCH9DIV_BY1
10.6.2.71
OUTCH9DIV_BY0
10.6.2.72
OUTCH10DIV_BY1
10.6.2.73
OUTCH10DIV_BY0
10.6.2.74
OUTCH_DIV_INV
10.6.2.75
PLL1CTRL0
10.6.2.76
PLL1CTRL1
10.6.2.77
PLL1CTRL2
10.6.2.78
PLL1_SWRST
10.6.2.79
PLL1WNDWSIZE
10.6.2.80
PLL1STRCELL
10.6.2.81
PLL1CPSETTING
10.6.2.82
PLL1CPSETTING_FL
10.6.2.83
PLL1_HOLDOVER_CTRL1
10.6.2.84
PLL1_HOLDOVER_MAXCNT_BY3
10.6.2.85
PLL1_HOLDOVER_MAXCNT_BY2
10.6.2.86
PLL1_HOLDOVER_MAXCNT_BY1
10.6.2.87
PLL1_HOLDOVER_MAXCNT_BY0
10.6.2.88
PLL1_NDIV_BY1
10.6.2.89
PLL1_NDIV_BY0
10.6.2.90
PLL1_LOCKDET_CYC_CNT_BY2
10.6.2.91
PLL1_LOCKDET_CYC_CNT_BY1
10.6.2.92
PLL1_LOCKDET_CYC_CNT_BY0
10.6.2.93
PLL1_STRG_BY4
10.6.2.94
PLL1_STRG_BY3
10.6.2.95
PLL1_STRG_BY2
10.6.2.96
PLL1_STRG_BY1
10.6.2.97
PLL1_STRG_BY0
10.6.2.98
PLL1RCCLKDIV
10.6.2.99
PLL2_CTRL0
10.6.2.100
PLL2_CTRL1
10.6.2.101
PLL2_CTRL2
10.6.2.102
PLL2_SWRST
10.6.2.103
PLL2_LF_C4R4
10.6.2.104
PLL2_LF_C3R3
10.6.2.105
PLL2_CP_SETTING
10.6.2.106
PLL2_NDIV_BY1
10.6.2.107
PLL2_NDIV_BY0
10.6.2.108
PLL2_RDIV_BY1
10.6.2.109
PLL2_RDIV_BY0
10.6.2.110
PLL2_STRG_INIT_BY1
10.6.2.111
PLL2_STRG_INIT_BY0
10.6.2.112
RAILDET_UP
10.6.2.113
RAILDET_LOW
10.6.2.114
PLL2_AC_CTRL
10.6.2.115
PLL2_CURR_STOR_CELL
10.6.2.116
PLL2_AC_THRESHOLD
10.6.2.117
PLL2_AC_STRT_THRESHOLD
10.6.2.118
PLL2_AC_WAIT_CTRL
10.6.2.119
PLL2_AC_JUMPSTEP
10.6.2.120
PLL2_LD_WNDW_SIZE
10.6.2.121
PLL2_LD_WNDW_SIZE_INITIAL
10.6.2.122
PLL2_LOCKDET_CYC_CNT_BY2
10.6.2.123
PLL2_LOCKDET_CYC_CNT_BY1
10.6.2.124
PLL2_LOCKDET_CYC_CNT_BY0
10.6.2.125
PLL2_LOCKDET_CYC_CNT_INITIAL_BY2
10.6.2.126
PLL2_LOCKDET_CYC_CNT_INITIAL_BY1
10.6.2.127
PLL2_LOCKDET_CYC_CNT_INITIAL_BY0
10.6.2.128
IOCTRL_SPI0
10.6.2.129
IOCTRL_SPI1
10.6.2.130
IOTEST_SDIO
10.6.2.131
IOTEST_SCL
10.6.2.132
IOTEST_SCS
10.6.2.133
IOCTRL_STAT0
10.6.2.134
IOCTRL_STAT1
10.6.2.135
STAT1MUX
10.6.2.136
STAT0MUX
10.6.2.137
STATPLL2CLKDIV
10.6.2.138
IOTEST_STAT0
10.6.2.139
IOTEST_STAT1
10.6.2.140
IOCTRL_SYNC
10.6.2.141
DUMMY_REGISTER_1
10.6.2.142
IOCTRL_CLKINSEL1
10.6.2.143
IOTEST_CLKINSEL1
10.6.2.144
PLL1_TSTMODE
10.6.2.145
PLL2_CTRL
10.6.2.146
STATUS
10.6.2.147
PLL2_DLD_EN
10.6.2.148
PLL2_DUAL_LOOP
10.6.2.149
RESERVED10
10.6.2.150
CH1_DDLY_BY0
10.6.2.151
CH2_DDLY_BY0
10.6.2.152
CH34_DDLY_BY0
10.6.2.153
CH5_DDLY_BY0
10.6.2.154
CH6_DDLY_BY0
10.6.2.155
CH78_DDLY_BY0
10.6.2.156
CH9_DDLY_BY0
10.6.2.157
CH10_DDLY_BY0
10.6.2.158
OUTCH1_JESD_CTRL
10.6.2.159
OUTCH2_JESD_CTRL
10.6.2.160
OUTCH3_JESD_CTRL
10.6.2.161
OUTCH4_JESD_CTRL
10.6.2.162
OUTCH5_JESD_CTRL
10.6.2.163
OUTCH6_JESD_CTRL
10.6.2.164
OUTCH7_JESD_CTRL
10.6.2.165
OUTCH8_JESD_CTRL
10.6.2.166
OUTCH9_JESD_CTRL
10.6.2.167
OUTCH10_JESD_CTRL
10.6.2.168
CLKMUXVECTOR
10.6.2.169
OUTCH1CNTL2
10.6.2.170
OUTCH2CNTL2
10.6.2.171
OUTCH34CNTL2
10.6.2.172
OUTCH5CNTL2
10.6.2.173
OUTCH6CNTL2
10.6.2.174
OUTCH78CNTL2
10.6.2.175
OUTCH9CNTL2
10.6.2.176
OUTCH10CNTL2
10.6.2.177
OUTCH1_JESD_CTRL1
10.6.2.178
OUTCH2_JESD_CTRL1
10.6.2.179
OUTCH3_JESD_CTRL1
10.6.2.180
OUTCH4_JESD_CTRL1
10.6.2.181
OUTCH5_JESD_CTRL1
10.6.2.182
OUTCH6_JESD_CTRL1
10.6.2.183
OUTCH7_JESD_CTRL1
10.6.2.184
OUTCH8_JESD_CTRL1
10.6.2.185
OUTCH9_JESD_CTRL1
10.6.2.186
OUTCH10_JESD_CTRL1
10.6.2.187
SYSREF_PLS_CNT
10.6.2.188
SYNCMUX
10.6.2.189
IOTEST_SYNC
10.6.2.190
OUTCH_ZDM
10.6.2.191
PLL2_CTRL3
10.6.2.192
PLL1_HOLDOVER_CTRL0
10.6.2.193
IOCTRL_SYNC_1
10.6.2.194
OUTCH_TOP_JESD_CTRL
10.6.2.195
OUTCH_BOT_JESD_CTRL
10.6.2.196
OUTCH_JESD_CTRL1
10.6.2.197
PLL2_CTRL4
10.6.2.198
PLL2_CTRL5
10.6.2.199
PLL2_CTRL6
10.6.2.200
PLL2_CTRL7
11
Application and Implementation
11.1
Application Information
11.1.1
Digital Lock Detect Frequency Accuracy
11.1.1.1
Minimum Lock Time Calculation Example
11.2
Typical Application
11.2.1
Design Requirements
11.2.2
Detailed Design Procedure
11.2.2.1
PLL Loop Filter Design
11.2.2.2
Clock Output Assignment
11.2.2.3
Calculation Using LCM
11.2.2.4
Device Programming
11.2.2.5
Device Selection
11.2.2.6
Clock Architect
11.2.3
Application Curves
11.3
Do's and Don'ts
11.3.1
Pin Connection Recommendations
12
Power Supply Recommendations
12.1
Recommended Power Supply Connection
12.2
Current Consumption / Power Dissipation Calculations
13
Layout
13.1
Layout Guidelines
13.1.1
CLKin and OSCin
13.1.2
CLKout
13.2
Layout Example
14
デバイスおよびドキュメントのサポート
14.1
デバイス・サポート
14.1.1
開発サポート
14.1.1.1
クロック設計ツール
14.1.1.2
Clock Architect
14.1.1.3
TICS Pro
14.2
ドキュメントの更新通知を受け取る方法
14.3
コミュニティ・リソース
14.4
商標
14.5
静電気放電に関する注意事項
14.6
Glossary
15
メカニカル、パッケージ、および注文情報
1
特長
デュアル・ループ DLL アーキテクチャ
超低ノイズ (10kHz~20MHz)
RMS ジッタ (1966.08MHz):48fs
RMS ジッタ (983.04MHz):50fs
RMS ジッタ (122.88MHz):61fs
ノイズ・フロア (122.88MHz):-165dBc/Hz
JESD204B をサポート
シングル・ショット、パルス、連続の SYSREF
4
つの周波数グループの
16
の差動出力クロック
700mVpp~1600mVpp のプログラム可能な出力スイング
各出力ペアを SYSREF クロック出力に構成可能
16 ビットのチャネル分周器
最低 SYSREF 周波数 25kHz
最高出力周波数:
2GHz
高精度デジタル遅延、動的に調整可能
クロック分配パス周波数 × 1/2 のデジタル遅延 (DDLY) (最高 2GHz)
60ps ステップのアナログ遅延
50% デューティ・サイクルの出力分周、1~65535
(偶数または奇数)
2
つのリファレンス入力
入力喪失時のホールドオーバー・モード
自動および手動スイッチオーバー・モード
信号喪失 (LOS) 検出
消費電力 0.88W (標準値、10 出力がアクティブな場合)
通常、1.8V (出力、入力) および 3.3V (デジタル、PLL1、PLL2_OSC、PLL2 コア) 電源で動作
プログラム可能なループ・フィルタを完全統合
PLL2
最大レート 250MHz の PLL2 位相検出器
OSCin 周波数ダブラー
低ノイズ VCO を内蔵
内部電力調整:
VDDO で -80dBc より優れた PSRR
により 122.88MHz の差動出力を実現
3 線式または 4 線式 SPI インターフェイス (
4
線式がデフォルト)
産業用周囲温度:-40ºC~+85ºC
105ºC の PCB 温度をサポート (サーマル・パッドで測定)
LMK04610:
8mm × 8mm の VQFN-56 パッケージ (0.5mm ピッチ)
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