FT121T-R FTDI, FT121T-R Datasheet - Page 34

• Manufacturer Part Number: FT121T-R
• Description: USB Interface IC USB CONTROLLER W/SPI SLAVE IC
• Manufacturer: FTDI

Specifications of FT121T-R

• Rohs: yes
• Product: USB 2.0
• Interface Type: SPI, USB
• Operating Supply Voltage: 4 V to 5.5 V
• Operating Supply Current: 3.9 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TSSOP-16
• Minimum Operating Temperature: - 40 C

8.2
DC Characteristics (Ambient Temperature = -40° C to +85° C).
Table 8-2 Operating Voltage and Current
Table 8-3 digital I/O Pin Characteristics (VCCIO=+3.3V)
Table 8-4 digital I/O Pin Characteristics (VCCIO=+2.5V)
Parameter
Parameter
Parameter
VOUT3V3
VCCIO
VCC1
VCC2
Icc2
Voh
Voh
Vol
Vih
Vol
Vih
Icc
Vil
Vil
DC Characteristics
VCC Operating Supply
VCC Operating Supply
3.3v regulator output
Output Voltage High
Output Voltage High
Output Voltage Low
Output Voltage Low
Input Voltage High
Input Voltage High
Input Voltage Low
Input Voltage Low
Operating Supply
VCCIO Operating
Suspend Current
Supply Voltage
Description
Description
Description
Copyright © 2012 Future Technology Devices International Limited
Voltage
Voltage
Current
FT121 ENHANCED USB DEVICE CONTROLLER WITH SPI SLAVE IC
Minimum
Minimum
Minimum
1.65
2.25
4.0
3.0
3.0
2.9
2.0
1.7
-
-
Typical
Typical
Typical
5.0
3.3
3.9
3.3
84
Maximum
Maximum
Maximum
5.5
3.6
3.6
3.6
0.4
0.8
0.4
0.7
Document No.: FT_000648
Clearance No.: FTDI#
Units
Units
Units
mA
μA
Datasheet Version 1.0
V
V
V
V
V
V
V
V
V
V
V
V
Normal Operation,
Regulator by-pass
DP_Pullup current
Normal Operation
USB bus transmit
‘0’, excluding the
Clock Running =
mode Operation
I source = 4mA
I source = 4mA
USB Suspend,
I sink = 4mA
I sink = 4mA
Conditions
Conditions
Conditions
or receive
VCC=5V
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