SX28ACSLASHSS datasheet(41/51 Pages) PARALLAX

номер детали	SX28AC/SS

подробное описание детали	Configurable Communications Controllers with EE/Flash Program Memory, In-System Programming Capability and On-Chip Debug

PDF	51 Pages

Scroll/Zoom	100%

производитель	PARALLAX [Parallax Inc]

домашняя страница	https://www.parallax.com/

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Parallax SX20AC/SX28AC

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Page 41 of 51

Rev 1.6 11/20/2006

17.2. DC Characteristics

SX20/28AC at 75MHz(Temp Range: 0°C <= Ta <= +70°C)

SX20/28AC at 50MHz (Temp Range: -40°C <= Ta <= +85°C)

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Vdd

Supply Voltage (Note 1)

Fosc = 32 MHz

Fosc = 50 MHz

Fosc = 75 MHz

2.7

3.0

4.5

5.5

SVdd

Vdd rise rate (Note 1)

0.05

V/ms

Idd

Supply Current, active

Vdd = 5.0 V, Fosc = 75 MHz (External OSC)

Vdd = 5.0 V, Fosc = 50 MHz (Crystal)

Vdd = 5.0 V, Fosc = 4 MHz (Crystal)

Vdd = 5.0 V, Fosc = 75 MHz (External OSC)

100

7.5

105

Ipd

Supply Current, power down

Vdd = 3.0 V, WDT enabled (before timeout)

Vdd = 3.0 V, WDT disabled

Vdd = 4.5 V, WDT enabled

Vdd = 4.5 V, WDT disabled

1.0

9.0

110

100

µA

Vih, Vil

Input Levels

MCLR, OSC1, RTCC

Logic High

Logic Low

All Other Inputs

CMOS

Logic High

Logic Low

TTL

Logic High

Logic Low

0.8 Vdd

Vss

0.7 Vdd

Vss

2.0

Vss

0.2 Vdd

Vdd

0.3 Vss

Vdd

0.8

Iil

Input Leakage Current

Vin = Vdd or Vss

-1.0

+1.0

µA

Iip

Weak Pullup Current

Vdd = 5.5 V, Vin = 0 V

Vdd = 3.0 V, Vin = 0 V

100

190

µA

Voh

Output High Voltage

Ports B, C

Port A

Ioh = 20 mA, Vdd = 4.5 V

Ioh = 12 mA, Vdd = 3.0 V

Ioh = 30 mA, Vdd = 4.5 V

Ioh = 20 mA, Vdd = 3.0 V

Vdd-0.7

Vol

Output Low Voltage

All Ports

Iol = 30 mA, Vdd = 4.5 V

Iol = 20 mA, Vdd = 3.0 V

0.6

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