User manual

DLP-USB245M User Manual
Copyright © DLP Design 2002 Page 12 of 15
Absolute Maximum Ratings
These are the absolute maximum ratings for the FT245BM device in accordance with the Absolute Maximum Rating
System (IEC 60134). Exceeding these may cause permanent damage to the device.
• Storage Temperature ……………………………………………………. –65
o
C to + 150
o
C
• Ambient Temperature ( Power Applied )……………………………….. 0
o
C to + 70
o
C
• VCC Supply Voltage ……………………………………………….…….. -0.5v to +6.00v
• DC Input Voltage - Inputs ……………………………………………….. -0.5v to VCC + 0.5v
• DC Input Voltage - High Impedance Bidirectionals …………………… -0.5v to VCC + 0.5v
• DC Output Current – Outputs …………………………………………… 24mA
• DC Output Current – Low Impedance Bidirectionals …………………. 24mA
• Power Dissipation ( VCC = 5.25v ) .……………………………………… 500mW
• Electrostatic Discharge Voltage ( I < 1uA ) ……………………………… +/- 2000v
• Latch Up Current ( Vi < 0 or Vi > Vcc ) ………………………………….. 100mA
DC Characteristics ( Ambient Temperature = 0 .. 70
o
C )
Operating Voltage and Current
Parameter Description Min Typ Max Units Conditions
Vcc1 VCC Operating Supply Voltage 4.4 5.0 5.25 V
Vcc2 VCCIO Operating Supply Voltage 3.0 - 5.25 V
Icc1 Operating Supply Current - 25 - mA Normal Operation
Icc2 Operating Supply Current - 350 400 uA USB Suspend
FIFO IO Pin Characteristics ( VCCIO = 5.0v )
Parameter Description Min Typ Max Units Conditions
Voh Output Voltage High 4.4 - 4.9 V I source = 2mA
Vol Output Voltage Low 0.1 - 0.7 V I sink = 4 mA
Vin Input Switching Threshold 1.1 1.5 1.9 V Note 1
VHys Input Switching Hysteresis 200 mV
FIFO IO Pin Characteristics ( VCCIO = 3.3v )
Parameter Description Min Typ Max Units Conditions
Voh Output Voltage High 2.7 - 3.2 V I source = 2mA
Vol Output Voltage Low 0.1 - 0.7 V I sink = 4 mA
Vin Input Switching Threshold 1.0 1.4 1.8 V Note 1
VHys Input Switching Hysteresis 200 mV