1999 Jun 15

10

Philips Semiconductors

Product specification

Infrared remote control transmitter RC5

PCA8521

CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

operating supply voltage

2.0

−

5.5

V

supply current

−−

2mA

quiescent current

−−

1

µA

operating ambient temperature

−10

−

+50

°C

Sense lines (input only and will have a weak internal pull-up resistance)

LOW level input voltage

−−

V

HIGH level input voltage

−−

V

pull-up resistance

50

−

100

k

Ω

Driver lines (output only; open drain; maximum on-resistance when LOW)

maximum on-resistance

−−

2k

Ω

Output driver (has a weak pull-up resistance)

sink current

−−

45

mA

pull-up resistance

−−

5k

Ω

Fig.6 ROM schematic diagram.

handbook, full pagewidth

MBH036

M7H

BS2

BS1

BS0

KN5

KN4

KN3

KN2

KN1

KN0

M6H M5H M4H M3H M2H M1H M0H M7L

BANK 7 MSB

M6L M5L M4L M3L M2L M1L M0L

BANK 6 MSB

BANK 5 MSB

BANK 4 MSB

BANK 3 MSB

BANK 2 MSB

BANK 1 MSB

BANK 0 MSB

BANK 7 LSB

BANK 6 LSB

BANK 5 LSB

BANK 4 LSB

BANK 3 LSB

BANK 2 LSB

BANK 1 LSB

BANK 0 LSB

ROM 1K x 8

address