PCD5002 datasheet(36/48 Pages) PHILIPS

36 / 48 page

1997 Jun 24

Philips Semiconductors

Product speciﬁcation

Advanced POCSAG and APOC-1 Paging

Decoder

PCD5002

Notes

1. Inputs: SDA and SCL pulled up to VDD; all other inputs connected to VSS.

Outputs: RXE and ROE logic 0; REF: fref = 1⁄60 Hz; all other outputs open-circuit.

Oscillator: no crystal; external clock fosc = 76800 Hz; amplitude: VSS to VDD.

Voltage convertor disabled (SPF byte 01, bit D7 = 0; see Table 24).

2. Maximum output current is subject to absolute maximum ratings per output (see Chapter 10).

3. When ATL (open drain output) is not activated it is high impedance.

12 DC CHARACTERISTICS (WITH VOLTAGE CONVERTER)

VDD = 2.7 V; VSS =0V; VPR =VPO; Tamb = −25 to +70 °C; Cs = 100 nF; voltage converter enabled.

13 OSCILLATOR CHARACTERISTICS

Quartz crystal type: MX-1V or equivalent.

Quartz crystal parameters: f = 76 800 Hz; RS(max) =35kΩ; CL = 8 pF; C0 = 1.4 pF; C1 = 1.5 fF.

Maximum overall tolerance:

±200 × 10−6 (includes: cutting, temperature, aging) for POCSAG, ± 55 × 10−6 for APOC-1

(‘transmitter off’ mode).

IOH

HIGH level output current

Tamb =25 °C

VIB, LED

VOH = 0.7 V

−0.6

−−2.4

ATH

VOH = 0.7 V

−3.0

−−11.0

INT, REF

VOH = 2.4 V

−80

−−µA

ZSD, ZSC, ZLE

VOH = 2.4 V

−60

−−µA

ATL

ATL high-impedance; note 3

−−−0.5

µA

ROE, RXE

VOH = 2.4 V

−600

−−µA

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

VDD

supply voltage

1.5

−

3.0

VPO(0)

output voltage; no load

VDD = 2.7; IPO =0

−

5.4

−

VPO

output voltage

VDD =2V; IPO = −250 µA

3.0

3.5

−

IPO

output current

VDD =2V; VPO = 2.7 V

−400

−650

−µA

VDD =3V; VPO = 4.5 V

−650

−900

−µA

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

CXO

output capacitance XTAL2

−

oscillator transconductance

VDD = 1.5 V

−µS

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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