STPCINDUSTRIAL datasheet(35/55 Pages) STMICROELECTRONICS

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ELECTRICAL SPECIFICATIONS

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Issue 1.1

4.4 DC CHARACTERISTICS

Notes:

1. MHz ratings refer to CPU clock frequency.

2. Not yet released.

4.5 AC CHARACTERISTICS

Table 4-5 through Table 4-14 list the AC

characteristics including output delays, input

setup requirements, 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 4-4 below for the STPC Industrial. 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,

defining the smallest acceptable sampling window

a synchronous input signal must be stable for

correct operation.

Table 4-2. DC Characteristics

Recommended Operating conditions : VDD = 3.3V

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

Symbol

Parameter

Test condit ions

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

VDAC 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

VILD

Input Low Voltage

Except XTALI

-0.3

0.8

XTALI

-0.3

0.5

VIHD

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. RAMDAC DC Specification

Symbol

Parameter

Min

Nom

Max

Vref

Voltage Reference

1.00V

1.12V

1.24V

INL

Integrated Non Linear Error

2 lsb

DNL

Differentiated Non Linear Error

1lsb

Full Scale

20mA

FSR

Full Scale Range

14.00 mA

16.50mA

19.00 mA

LSB

Least Significant Byte Size

54uA

63uA

72uA

Zero

Zero Scale @ 7.5IRE Mode

0.95mA

1.44mA

1.90mA

Compare

DAC to DAC matching

+/- 5%

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