Table 113. major parameters – ST & T UPSD3212C User Manual
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uPSD3212A, uPSD3212C, uPSD3212CV
Table 113. Major Parameters
Parameters/Conditions/
Comments
5V Test
Conditions
5.0V Value
3.3V Test
Conditions
3.3V Value
Unit
Operating Voltage
–
4.5 to 5.5
–
3.0 to 3.6
V
Operating Temperature
–
–40 to 85
–
–40 to 85
°C
MCU Frequency
12MHz (min) for USB;
8MHz (min) for I
2
C
–
1 Min, 40 Max
–
1 Min, 24 Max MHz
Active Current, Typical
(25°C operation; 80% Flash and 
15% SRAM accesses, 45 PLD 
product terms used; PLD Turbo 
mode Off)
24MHz MCU clock,
12MHz PLD input
frequency, 4MHz ALE
72
12MHz MCU clock,
6MHz PLD input
frequency, 2MHz ALE
21
mA
Idle Current, Typical
(CPU halted but some peripherals 
active; 25°C operation; 45 PLD 
product terms used; PLD Turbo 
mode Off)
24MHz MCU clock,
12MHz PLD input
frequency
25
12MHz MCU clock,
1MHz PLD input
frequency
7
mA
Standby Current, Typical
(Power-down Mode, requires reset 
to exit mode; without Low-Voltage 
Detect (LVD) Supervisor)
180µA with LVD
110
100µA with LVD
60
µA
SRAM Backup Current, Typical
(If external battery is attached.)
–
0.5
–
0.5
µA
I/O Sink/Source Current
Ports A, B, C, and D
V
OL
= 0.25V (max);
V
OH
= 3.9V (min)
I
OL
= 8 (max);
I
OH
= –2 (min)
V
OL
= 0.15V (max);
V
OH
= 2.6V (min)
I
OL
= 4 (max);
I
OH
= –1 (min)
mA
PLD Macrocells
(For registered or combinatorial 
logic)
–
16
–
16
–
PLD Inputs
(Inputs from pins, macrocell 
feedback, or MCU addresses)
–
69
–
69
–
PLD Outputs
(Output to pins or internal 
feedback)
–
16
–
16
–
PLD Propagation Delay, Typical
(PLD input to output, Turbo Mode)
–
15
–
22
ns
