Datasheet

© Copyright 2009 Future Technology Devices International Ltd
13
Document Reference No.: FT_000202
UM245R USB - Parallel FIFO Development Module Datasheet Version 1.04
Clearance No.: FTDI# 124
6 FT245RL Device Characteristics and Ratings
6.1 Absolute Maximum Ratings
The absolute maximum ratings for the FT245R devices are as follows. These are in accordance with the
Absolute Maximum Rating System (IEC 60134). Exceeding these may cause permanent damage to the
device.
Parameter
Value
Unit
Storage Temperature
-65 to +150
°C
Floor Life (Out of Bag) At Factory Ambient
( 30°C / 60% Relative Humidity)
168 Hours
(IPC/JEDEC J-STD-033A MSL Level 3 Compliant)*
Hours
Ambient Temperature (Power Applied)
-40 to +85
°C
VCC Supply Voltage
-0.5 to +6.00
V
D.C. Input Voltage - USBDP and USBDM
-0.5 to +3.8
V
D.C. Input Voltage - High Impedance
Bidirectional signals
-0.5 to +(Vcc +0.5)
V
D.C. Input Voltage - All other Inputs
-0.5 to +(Vcc +0.5)
V
D.C. Output Current - Outputs
24
mA
DC Output Current - Low Impedance
Bidirectionals
24
mA
Power Dissipation (Vcc = 5.25V)
500
mW
Table 6.1 Absolute Maximum Ratings
* If devices are stored out of the packaging beyond this time limit the devices should be baked before
use. The devices should be ramped up to a temperature of 125°C and baked for up to 17 hours.
6.2 DC Characteristics
DC Characteristics (Ambient Temperature = -40 to 85°C)
Parameter
Description
Minimum
Typical
Maximum
Units
Conditions
VCC1
VCC Operating Supply
Voltage
4.0
---
5.25
V
The UM245R only uses
the FT245R internal
oscillator circuit
VCC2
VCCIO Operating Supply
Voltage
1.8
---
5.25
V
Icc1
Operating Supply
Current
---
15
---
mA
Normal Operation
Icc2
Operating Supply
Current
50
70
100
μA
USB Suspend
Table 6.2 Operating Voltage and Current