FT51A Advanced MCU with 8051 Compatible Core IC Datasheet
Version 1.5
Document No.: FT_000877
Clearance No.: FTDI#420
Parameter
Description
Minimum
Typical
Maximum
Units
Conditions
Ioh = +/-2mA
1.62
VCCIO
V
IO Drive strength* =
4mA
IO Drive strength* =
8mA
1.62
1.62
1.62
VCCIO
VCCIO
VCCIO
V
V
V
Voh
Output Voltage High
IO Drive strength* =
12mA
IO Drive strength* =
16mA
Iol = +/-2mA
V
0.4
IO Drive strength* =
4mA
IO Drive strength* =
8mA
V
V
V
V
V
0.4
0.4
Vol
Output Voltage Low
IO Drive strength* =
12mA
IO Drive strength* =
16mA
0.4
Input low Switching
Threshold
Vil
0.63
LVTTL
LVTTL
Input High Switching
Threshold
Vih
1.17
Vt
Vt-
Switching Threshold
V
V
0.77
Schmitt trigger negative
going threshold voltage
0.557
0.893
75
Schmitt trigger positive
going threshold voltage
Vt+
Rpu
Rpd
Iin
V
Input pull-up resistance
40
40
190
190
10
KΩ
KΩ
μA
Vin = 0
Vin =VCCIO
Vin = 0
Input pull-down
resistance
75
Input Leakage Current
-10
Table 4-5 – IO Characteristics VCCIO = +1V8
* The IO drive strength and slow slew-rate are configurable in the IO registers.
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