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參數(shù)資料
| 型號： | MAX9209GUM+TD |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 18/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC PROG DC-BAL 21BIT SER 48TSSOP |
| 其它有關(guān)文件： | Automotive Product Guide |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 功能： | 串行器 |
| 數(shù)據(jù)速率： | 1.785Gbps |
| 輸入類型： | LVTTL/LVCMOS |
| 輸出類型： | LVDS |
| 輸入數(shù)： | 21 |
| 輸出數(shù)： | 3 |
| 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： | 48-TFSOP（0.240"，6.10mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 48-TSSOP |
| 包裝： | 帶卷 (TR) |
MAX9209/MAX9213
Programmable DC-Balanced
21-Bit Serializers
_______________________________________________________________________________________
9
Detailed Description
The MAX9209 operates at a parallel clock frequency of
8MHz to 34MHz in DC-balanced mode and 10MHz to
40MHz in non-DC-balanced mode. The MAX9213 oper-
ates at a parallel clock frequency of 16MHz to 66MHz
in DC-balanced mode and 20MHz to 85MHz in non-
DC-balanced mode.
DC-balanced or non-DC-balanced operation is con-
trolled by the DCB/NC pin (see Table 1). In non-DC-
balanced mode, each channel serializes 7 bits every
cycle of the parallel clock. In DC-balanced mode, 9 bits
are serialized every clock cycle (7 data bits + 2 DC-bal-
ance bits). The highest data rate in DC-balanced mode
for the MAX9213 is 66MHz x 9 = 594Mbps. In non-DC-
balanced mode, the maximum data rate is 85MHz x 7 =
595Mbps. A bit time is 1 divided by the data rate, for
example, 1 / 595Mbps = 1.68ns.
DC Balance
Through data coding, the DC-balance circuits limit the
imbalance of ones and zeros transmitted on each chan-
nel. If +1 is assigned to each binary one transmitted
and -1 is assigned to each binary zero transmitted, the
variation in the running sum of assigned values is
called the digital sum variation (DSV). The maximum
DSV for the MAX9209/MAX9213 data channels is 10. At
most, 10 more zeros than ones, or 10 more ones than
zeros, are transmitted. The maximum DSV for the clock
channel is 5. Limiting the DSV and choosing the correct
coupling capacitors maintain differential signal amplitude
and reduce jitter due to droop on AC-coupled links.
TxIN15
TxIN14
TxIN20
TxIN19
TxIN18
TxIN17
TxIN16
TxIN15
TxIN14
TxIN8
TxIN7
TxIN13
TxIN12
TxIN11
TxIN10
TxIN9
TxIN8
TxIN7
TxIN1
TxIN0
TxIN6
TxIN5
TxIN4
TxIN3
TxIN2
TxIN1
TxIN0
CYCLE N - 1
CYCLE N
TPPos0
TPPos1
TPPos2
TPPos3
TPPos4
TPPos5
TPPos6
TxCLK OUT
(DIFFERENTIAL)
TxOUT2
(SINGLE ENDED)
TxOUT1
(SINGLE ENDED)
TxOUT0
(SINGLE ENDED)
Figure 5. Non-DC-Balanced Mode LVDS Output Pulse Position Measurement
DEVICE
DCB/NC
OPERATING
MODE
OPERATING
FREQUENCY
(MHz)
High or open
DC balanced
8 to 34
MAX9209
Low
Non-DC
balanced
10 to 40
High or open
DC balanced
16 to 66
MAX9213
Low
Non-DC
balanced
20 to 85
Table 1. DC-Balance Programming
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| MAX920ESA/GG8 | 制造商:Maxim Integrated Products 功能描述:- Bulk |
| MAX920ESA+ | 功能描述:校驗(yàn)器 IC 1.8V nPower Comparator RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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| MAX920ESA-T | 功能描述:校驗(yàn)器 IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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