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IDT 843 DataSheet

No. parte # Fabricante Descripción Hoja de Datos
1
IDT39C843

IDT
High Performance CMOS Bus Interface Latches

• Equivalent to AM D's Am29841-46 Bipolar Registers in pinout/function, speeds and output drive over full temperature and voltage supply extremes
• High-speed parallel latches -Noninverting transparent tpo = 5.5ns typo -Inverting transparent tpo = 6
Datasheet
2
IP3843

Seme LAB
CURRENT MODE REGULATING PULSE WIDTH MODULATORS





• Guaranteed ±1% reference voltage tolerance Guaranteed ±10% frequency tolerance Low start
  –up current (<500 mA) Under voltage lockout with hysteresis Output state completely defined for all supply and input conditions
• Interchangeable with U
Datasheet
3
IP3843A

Seme LAB
CURRENT MODE REGULATING PULSE WIDTH MODULATORS






• Guaranteed ±1% reference voltage tolerance Accurate oscillator discharge current Guaranteed ±10% frequency tolerance Low start
  –up current (<500 mA) Under voltage lockout with hysteresis Output state completely defined for all supply and i
Datasheet
4
843S1333D

IDT
Crystal-to-3.3V LVPECL Clock Synthesizer

• One differential LVPECL output
• Crystal oscillator interface designed for 18pF, 20MHz parallel resonant crystal
• Cycle-to-Cycle Jitter: 14ps (maximum)
• Period Jitter, RMS: 2.6ps (maximum)
• Output Duty Cycle: 48
  – 52%
• Full 3.3V supply mode
• 0
Datasheet
5
ICS843S1333D

IDT
Crystal-to-3.3V LVPECL Clock Synthesizer

• One differential LVPECL output
• Crystal oscillator interface designed for 18pF, 20MHz parallel resonant crystal
• Cycle-to-Cycle Jitter: 14ps (maximum)
• Period Jitter, RMS: 2.6ps (maximum)
• Output Duty Cycle: 48
  – 52%
• Full 3.3V supply mode
• 0
Datasheet
6
9DBL0843

IDT
8-output 3.3V LP-HCSL Zero-Delay Buffer
▪ Loss Of Signal (LOS) open drain output ▪ 8
  – 1-200 MHz Low-Power (LP) HCSL DIF pairs ▪ 9DBL0843 default Zout = 100Ω ▪ 9DBL0853 default Zout = 85Ω ▪ Easy AC-coupling to other logic families, see IDT application note AN-891. Key Specifications ▪ PCIe
Datasheet
7
843N252-45

IDT
NG Crystal-to-3.3V LVPECL Frequency Synthesizer

• Fourth generation FemtoClock® Next Generation (NG) technology
• One differential 3.3V LVPECL output and one LVCMOS/LVTTL output
• Crystal oscillator interface designed for a 25MHz parallel resonant crystal
• A 25MHz crystal
Datasheet
8
IP2843A

Seme LAB
CURRENT MODE REGULATING PULSE WIDTH MODULATORS






• Guaranteed ±1% reference voltage tolerance Accurate oscillator discharge current Guaranteed ±10% frequency tolerance Low start
  –up current (<500 mA) Under voltage lockout with hysteresis Output state completely defined for all supply and i
Datasheet
9
ICS843S2807

IDT
CRYSTAL-TOLVPECL/LVDS/LVCMOS CLOCK GENERATOR

• Five banks of outputs: Bank A: one single-ended (QA0) LVCMOS output at: 133MHz and one (QA1/nQA1) LVPECL output at: 66.67MHz, 100MHz and 125MHz Bank B: two (QB0, QB1) LVCMOS outputs at: 50MHz Bank C: one (QC0/nQC0) differential LVPECL output at: 87
Datasheet
10
ICS843S1333

IDT
CRYSTAL-TO-3.3V LVPECL CLOCK SYNTHESIZER

• One differential LVPECL output
• Crystal oscillator interface designed for 18pF, 20MHz parallel resonant crystal
• Cycle-to-Cycle Jitter: 25ps (maximum)
• Period Jitter, RMS: 2ps (maximum)
• Output Duty Cycle: 48
  – 52%
• Full 3.3V supply mode
• 0°C
Datasheet
11
ICS843S104I-133

IDT
Crystal-to-LVPECL 133MHz Clock Synthesizer

• Four LVPECL output pairs
• Crystal oscillator interface: 25MHz
• Differential PCLK/nPCLK input pair
• PCLK/nPCLK supports the following input types: LVPECL, CML, SSTL
• Output frequenc
Datasheet
12
ICS843S1066

IDT
CRYSTAL-TO-3.3V LVPECL CLOCK SYNTHESIZER

• One differential LVPECL output
• Crystal oscillator interface designed for 18pF, 20MHz parallel resonant crystal
• Cycle-to-Cycle Jitter: 25ps (maximum)
• Period Jitter, RMS: 1.9ps (maximum)
• Output Duty Cycle: 48
  – 52%
• Full 3.3V supply mode
• 0
Datasheet
13
84330CI

IDT
Crystal-to-LVPECL Frequency Synthesizer

• Fully integrated PLL, no external loop filter requirements
• One differential 3.3V LVPECL output
• Crystal oscillator interface: 10MHz to 25MHz
• Output frequency range: 31.25MHz to 720MHz
• VCO range: 250MHz to 720MHz
• Parallel or serial interfac
Datasheet
14
843246I

IDT
Crystal-to-3.3V LVPECL Frequency Synthesizer W/Integrated Fanout Buffer

• Six LVPECL outputs
• Crystal oscillator interface
• VCO range: 490MHz to 680MHz
• Crystal input frequency range: 25MHz to 33.333MHz
• RMS phase jitter at 125MHz, using a 25MHz crystal (1.875MHz t
Datasheet
15
84330C

IDT
Crystal-to-3.3V Differential LVPECL Frequency

• Fully integrated PLL, no external loop filter requirements
• One differential 3.3V LVPECL output
• Crystal oscillator interface: 10MHz to 25MHz
• Output frequency range: 31.25MHz to 700MHz
• VCO range: 250MHz to 700MHz
• Parallel or serial interfac
Datasheet
16
843N571I

IDT
NG Clock Synthesizer

• Fourth generation FemtoClock® Next Generation (NG) technology
• Seven single-ended LVCMOS outputs, 30 output impedance
• Three LVPECL output pairs One differential LVPECL (QA, nQA) output pair: 156.25MHz Two selectable differential LVPECL output p
Datasheet
17
IP1843

Seme LAB
CURRENT MODE REGULATING PULSE WIDTH MODULATORS





• Guaranteed ±1% reference voltage tolerance Guaranteed ±10% frequency tolerance Low start
  –up current (<500 mA) Under voltage lockout with hysteresis Output state completely defined for all supply and input conditions
• Interchangeable with U
Datasheet
18
IP1843A

Seme LAB
CURRENT MODE REGULATING PULSE WIDTH MODULATORS






• Guaranteed ±1% reference voltage tolerance Accurate oscillator discharge current Guaranteed ±10% frequency tolerance Low start
  –up current (<500 mA) Under voltage lockout with hysteresis Output state completely defined for all supply and i
Datasheet
19
IP2843

Seme LAB
CURRENT MODE REGULATING PULSE WIDTH MODULATORS





• Guaranteed ±1% reference voltage tolerance Guaranteed ±10% frequency tolerance Low start
  –up current (<500 mA) Under voltage lockout with hysteresis Output state completely defined for all supply and input conditions
• Interchangeable with U
Datasheet



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