PCD5003A datasheet(34/44 Pages) PHILIPS

34 / 44 page

1999 Jan 08

Philips Semiconductors

Product speciﬁcation

Enhanced Pager Decoder for POCSAG

PCD5003A

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 21).

2. Maximum output current is subject to absolute maximum ratings per output (see Chapter 9).

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

11 DC CHARACTERISTICS (WITH VOLTAGE CONVERTER)

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

12 OSCILLATOR CHARACTERISTICS

Quartz crystal type: MX-1V or equivalent. Quartz crystal parameters: f = 76800 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).

13 EEPROM CHARACTERISTICS

Note

1. Retention cannot be guaranteed for naked dies (PCD5003AU/10).

IOH

HIGH level output current

Tamb =25 °C

VIB and LED

VOH = 0.7 V

−0.6

−−2.4

ATH

VOH = 0.7 V

−3.0

−−11.0

INT and REF

VOH = 2.4 V

−80

−−µA

ZSD, ZSC and ZLE

VOH = 2.4 V

−60

−−µA

ATL

ATL high-impedance; note 3

−−−0.5

µA

ROE, RXE and DQC

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 V; IPO =0

−

5.4

−

VPO

output voltage

VDD = 2.0 V; IPO = −250 µA

3.0

3.5

−

IPO

output current

VDD = 2.0 V; VPO = 2.7 V

−400

−650

−µA

VDD = 3.0 V; VPO = 4.5 V

−650

−900

−µA

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

UNIT

CXO

output capacitance XTAL2

−

oscillator transconductance

VDD = 1.5 V

µS

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

UNIT

NEW

erase/write cycles

1000

10000

tDR

data retention time

Tamb =70 °C; note 1

−

years

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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