SPC560P50L5 datasheet(55/112 Pages) STMICROELECTRONICS

55 / 112 page

SPC560P44Lx, SPC560P50Lx

Electrical characteristics

Doc ID 14723 Rev 9

55/112

Figure 7 shows the constraints of the different power supplies.

Figure 7.

Power supplies constraints (3.0 V

≤ VDD_HV_IOx ≤ 5.5 V)

VSS_LV_CORx

(4)

SR Internal reference voltage

—

Ambient temperature under

bias

fCPU = 64 MHz

–40

105

°C

fCPU = 60 MHz

–40

125

Parametric figures can be out of specification when voltage drops below 4.5 V, however, guaranteeing the full functionality.

In particular, ADC electrical characteristics and I/Os DC electrical specification may not be guaranteed.

The difference between each couple of voltage supplies must be less than 100 mV, |VDD_HV_IOy – VDD_HV_IOx | < 100 mV.

The difference between each couple of voltage supplies must be less than 100 mV, |VDD_HV_ADC1 – VDD_HV_ADC0| < 100

mV. As long as that condition is met, ADC_0 and ADC_1 can be operated at 5 V with the rest of the device operating at 3.3

To be connected to emitter of external NPN. Low voltage supplies are not under user control—they are produced by an on-

chip voltage regulator—but for the device to function properly the low voltage grounds (VSS_LV_xxx) must be shorted to high

voltage grounds (VSS_HV_xxx) and the low voltage supply pins (VDD_LV_xxx) must be connected to the external ballast

emitter.

The low voltage supplies (VDD_LV_xxx) are not all independent.

VDD_LV_COR1 and VDD_LV_COR2 are shorted internally via double bonding connections with lines that provide the low

voltage supply to the data flash module. Similarly, VSS_LV_COR1 and VSS_LV_COR2 are internally shorted.

VDD_LV_REGCOR and VDD_LV_REGCORx are physically shorted internally, as are VSS_LV_REGCOR and VSS_LV_CORx.

Table 11.

Recommended operating conditions (3.3 V) (continued)

Symbol

Parameter

Conditions

Value

Unit

Min

Max(1)

VDD_HV_xxx

VDD_HV_IOx

3.0 V

5.5 V

3.0 V

5.5 V

3.3 V

Note: IO AC and DC characteristics are guaranteed only in the range of 3.0–3.6 V when

PAD3V5V is low, and in the range of 4.5–5.5 V when PAD3V5V is high.

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