Copyright ©1997-2001 Semtech Corporation

DOC5-418-DS-109

www.semtech.com

13

ELECTRICAL SPECIFICATIONS

Absolute Maximum Ratings

Ratings

Symbol

Value

Unit

Supply Voltage

Vdd

-0.3 to +7.0

V

Input Voltage

Vin

Vss -0.3 to Vdd +0.3

V

Current Drain per Pin

I

25

mA

(not including Vss or Vdd)

Operating Temperature

TA

T low to T high

° C

UR5HC418-XX

-40 to +85

Storage Temperature Range

Tstg

-65 to +150

° C

Thermal Characteristics

Characteristic

Symbol

Value

Unit

Thermal Resistance

Tja

°C per W

Plastic DIP

60

Cerdip

-60

PLCC

70

DC Electrical Characteristics (Vdd=5.0 Vdc +/-10%, Vss=0 Vdc, Temperature range=T low to T high unless otherwise noted)

Characteristic

Symbol

Min

Typ

Max

Unit

Output Voltage (I load<10µA)

Vol

0.1

V

Voh

Vdd–0.1

Output High Voltage (I load=0.8mA)

Voh

Vdd–0.8

V

Output Low Voltage (I load=1.6mA)

Vol

0.4

V

Input High Voltage

Vih

0.7xVdd

Vdd

V

Input Low Voltage

Vil

Vss

0.2xVdd

V

User Mode Current

Ipp

5

10

mA

Data Retention Mode

Vrm

2.0

V

Supply Current (Run)

Idd

4.7

7.0

mA

I/O Ports Hi-Z Leakage Current

Iil

+/-10

µA

Input Current

Iin

+/- 1

µA

I/O Port Capacitance

Cio

8

12

pF

Control Timing (Vdd=5.0 Vdc +/-10%, Vss=0 Vdc, Temperature range=T low to T high unless otherwise noted)

Characteristic

Symbol

Min

Max

Unit

Frequency of Operation

fosc

MHz

Crystal Option

4.0

External Clock Option

dc

4.0

Crystal Oscillator Startup Time

fop

MHz

Crystal (fosc/2)

2.0

External Clock Option

dc

2.0

Cycle Time

tcyc

500

ns

Crystal Oscillator Startup Time

toxov

100

ms

Stop Recovery Startup Time

100

ms

Reset Pulse Width

8

tcyc

Interrupt Pulse Width Low

125

ns

Interrupt Pulse Period

*

tcyc

OSC1Pulse Width

90

ns