CY7C656x
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PRELIMINARY
Document #: 38-08037 Rev. *D Page 21 of 23
15.0 Electrical Characteristics

15.1 Absolute Maximum Ratings

Storage Temperature ................................–65°C to +150 °C
Ambient Temperature with Power Applied........0°C to +70°C
Supply Voltage to Ground Pot ential ......... .....– 0.5V to +4.0V
DC Voltage Applied to Outputs in High Z State
........................... .......................... ..........–0.5V to VCC + 0.5V
Power Dissipation (4 HS ports).............. .....................TB D W
Static Discharge Voltage...........................................> 2000V
Max. Output Sink Curre nt per I/O ...................... ..........10 mA

15.2 Operating Conditions

TA (Ambient Temperature Under Bias).............0°C to +70°C
Supply Voltage...........................................+3.15V to +3.45V
Ground Voltage .................. ... .. ........................... ............... 0V
FOSC (Oscillator or Crystal Frequency)......24 MHz ± 0.05%
parallel resonant,
fundamental mode,
12-pF load capacitance,
0.5 mW

15.4 USB Transceiver

USB 2.0-Compliant in full-, low-, and high-speed modes.

15.5 AC Electrical Characteristics

Both the upstream USB transceiver and all four downstream
transceivers have passed the USB-IF USB 2.0 Electric al Certi-
fication Testing.
15.5.1 Serial Peripheral Interface

15.3 DC Electrical Characteristics

Parameter Description Conditions Min. Typ. Max. Unit
VCC Supply Voltage 3.15 3.3 3.45 V
VCC RampUp Ramp rate on VCC 18 V/ms
VIH Input High Voltage 2 5.25 V
VIL Input Low Voltage –0.5 0.8 V
IlInput Leakage Current 0 < VIN < VCC ±10 µA
VOH Output Voltage High IOUT = 4 mA 2.4 V
VOL Output Low Voltage IOUT = –4 mA 0.4 V
IOH Output Current High 4mA
IOL Output Current Low 4mA
CIN Input Pin Capacitance 10 pF
ISUSP Suspend Current TBD µA
ICC Supply Current
4 Active ports Full-speed Host, Full-speed Devices 53 mA
High-speed Host, High-speed Devices 174 mA
High-speed Host, Full-speed Devices 77 mA
2 Active Ports Full-speed Host, Full-speed Devices 50 mA
High-speed Host, High-speed Devices 123 mA
High-speed Host, Full-speed Devices 75 mA
No Active Ports Full-speed Host 48 mA
High-speed Host 72 mA
Parameter Description Conditions Min. Typ. Max. Unit
Clock Rise/Fall Time 500 ns
Clock Frequency 250 KHz
Data Set-up Time 50 ns
Hold Time 100 ns
Reset Period 1.9 ms