Features
- 6 LVCMOS / LVTTL outputs
- Outputs able to drive 12 series terminated lines
- Crystal oscillator interface
- Crystal input frequency range: 10MHz to 40MHz
- Output skew: 80ps (maximum)
- RMS phase jitter @ 25MHz, (100Hz - 1MHz): 0.26ps (typical) (VDD = VDDO = 2.5V)
Phase noise:
Offset Noise Power
100Hz .............. -129.7 dBc/Hz
1kHz .............. -144.4 dBc/Hz
10kHz .............. -147.3 dBc/Hz
100kHz .............. -157.3 dBc/Hz - 5V tolerant enable inputs
- Synchronous output enables
- Operating power supply modes:
Full 3.3V, 2.5V and 1.8V
mixed 3.3V core/2.5V output operating supply
mixed 3.3V core/1.8V output operating supply
mixed 2.5V core/1.8V output operating supply - -40°C to 85°C ambient operating temperature
- Lead-Free package fully RoHS compliant
83905I - Block Diagram
Description
The 83905I is a low skew, 1-to-6 LVCMOS / LVTTL Fanout Buffer and a member of the family of High Performance Clock Solutions from IDT. The low impedance LVCMOS/LVTTL outputs are designed to drive 50Ω series or parallel terminated transmission lines. The effective fanout can be increased from 6 to 12 by utilizing the ability of the outputs to drive two series terminated lines. The 83905I is characterized at full 3.3V, 2.5V, and 1.8V, mixed 3.3V/2.5V, 3.3V/1.8V and 2.5V/1.8V output operating supply mode. Guaranteed output and part-to-part skew characteristics along with the 1.8V output capabilities makes the 83905I ideal for high performance, single ended applications that also require a limited output voltage.
| Part Number | Status | Samples | Stock | Package | Lead Count (#) | Carrier Type | Moisture Sensitivity Level (MSL) | Qty. per Reel (#) | Qty. per Carrier (#) | Pb (Lead) Free | Pb Free Category | Temp. Range (°C) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 83905AGILF | Obsolete | N/A | In Stock | TSSOP | 16# | Tube | 1 | 0 | 96# | Yes | e3 Sn | -40 to 85°C |
| 83905AGILFT | Obsolete | N/A | In Stock | TSSOP | 16# | Reel | 1 | 2500# | 0 | Yes | e3 Sn | -40 to 85°C |
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- Application NotePDF 187 KB R31AN0065EU0101 Rev.1.01 Nov 14, 2023
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