STPC0366BTC3 datasheet(31/51 Pages) STMICROELECTRONICS

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ELECTRICAL SPECIFICATIONS

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Issue 1.2

4.4 DC Characteristics

Notes:

1. MHz ratings refer to CPU clock frequency.

2. Not 100% tested.

4.5 AC Characteristics

Table 4-4 through Table 4-9 list the AC character-

istics including output delays, input setup require-

ments, input hold requirements and output float

delays. These measurements are based on the

measurement points identified in Figure 4-1 . The

rising clock edge reference level VREF , and other

reference levels are shown in Table 4-3 below for

the STPC Consumer. Input or output signals must

cross these levels during testing.

Figure 4-1 shows output delay (A and B) and input

setup and hold times (C and D). Input setup and

hold times (C and D) are specified minimums, de-

fining the smallest acceptable sampling window a

synchronous input signal must be stable for cor-

rect operation.

Note: Refer to Figure 4-1.

Table 4-2. DC Characteristics

Recommended Operating conditions : VDD = 3.3V

±0.3V, Tcase = 0 to 100°C unless otherwise specified

Symbol Parameter

Test conditio ns

Min

Typ

Max

Unit

VDD

Operating Voltage

3.0

3.3

3.6

PDD

Supply Power

VDD = 3.3V, HCLK = 66Mhz

3.2

3.9

HCLK

Internal Clock

(Note 1)

Mhz

VREF_D

DAC Voltage Reference

1.215

1.235

1.255

VOL

Output Low Voltage

ILoad =1.5 to 8mA depending of the pin

0.5

VOH

Output High Voltage

ILoad =-0.5 to -8mA depending of the pin

2.4

VIL

Input Low Voltage

Except XTALI

-0.3

0.8

XTALI

-0.3

0.9

VIH

Input High Voltage

Except XTALI

2.1

VDD+0.3

XTALI

2.35

VDD+0.3

ILK

Input Leakage Current

Input, I/O

-5

µA

CIN

Input Capacitance

(Note 2)

COUT

Output Capacitance

(Note 2)

CCLK

Clock Capacitance

(Note 2)

Table 4-3. Drive Level and Measurement Points for Switching Characteristics

Symbol

Value

Units

VREF

1.5

VIHD

3.0

VILD

0.0

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