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UPD720113 Datasheet with Chat AI

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Part No.	UPD720113
Manufacturer	NEC
Size	362 Kbytes
Pages	32 pages
Description	USB 2.0 HUB CONTROLLER

Datasheet Summary with AI

1. Device Overview:

️· Device: µPD720113
️· Power Supply Rails: Two - 2.5V and 3.3V
️· Reset Requirements: VDD25 (2.5V) must be stable *before* VDD33 (3.3V). System reset signaling needs more than the specified time after both rails are stable.

2. General Electrical Characteristics (Low/Full Speed USB):

️· RPU (Upstream Pull-Up Resistor): 1.425 - 1.575 kΩ
️· RPD (Downstream Pull-Up Resistor): 14.25 - 15.75 kΩ
️· VTERM (Termination Voltage): 3.0 - 3.6V
️· Input High Voltage (Drive): 2.0V
️· Input High Voltage (Floating): 2.7 - 3.6V
️· Input Low Voltage: 0.8V
️· Output High Voltage: 2.8 - 3.6V (at specified load)
️· Output Low Voltage: 0.0 - 0.3V (at specified load)
️· Differential Input Sensitivity: 0.2V
️· Differential Common Mode Range: 0.8 - 2.5V

3. High-Speed USB Characteristics:

️· VHSSQ (High-Speed Squelch Detection Threshold): 100 - 150 mV
️· VHSDSC (High-Speed Disconnect Detection): 525 - 625 mV
️· VHSCM (High-Speed Common Mode Range): -50 to +500 mV
️· VHSOI (High-Speed Idle State): -10.0 to +10 mV
️· VHSOH (High-Speed Data Signaling High): 360 - 440 mV
️· VHSOL (High-Speed Data Signaling Low): -10.0 to +10 mV
️· VCHIRPJ (Chirp J Level): 700 - 1100 mV
️· VCHIRPK (Chirp K Level): -900 to -500 mV

4. DC Characteristics:

️· IOZ (Off-State Output Leakage Current): ±10 µA
️· IOS (Output Short Circuit Current): −250 mA (tested for short duration – ≤ 1 second, with only one pin active)
️· IOL (Low-Level Output Current): 3-12 mA (at specified voltage/load)
️· IOH (High-Level Output Current): −3 to −2 mA (at specified voltage/load)
️· II (Input Leakage Current): ±10 µA

5. Key Notes and Limitations:

️· Power-Up Sequence: The 2.5V rail must stabilize before the 3.3V rail during power-up.
️· Output Short Circuit Testing: Short circuit current testing is performed briefly (≤ 1 second) and only on a single pin.
️· USB Output Impedance: ZHSDRV (includes RS resistor) = 40.5 - 49.5 Ω.

This summary should provide a comprehensive overview of the important electrical characteristics and operational considerations for the µPD720113.