PCF5001 View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
'PCF5001' PDF : 44 Pages View PDF
Philips Semiconductors
POCSAG Paging Decoder
Product specification
PCF5001
12 TIMING CHARACTERISTICS
VDD = 0 V; VSS = −2.7 V; Tamb = 25 °C.
Quartz crystal parameters: f = 32768 or 76800 Hz; RS(max) = 40 kΩ; CL = 12 pF.
Decoder Mode programmed as Display or Alert-only Pager (SPF01 = 1 or 0).
SYMBOL
PARAMETER
CONDITIONS
MIN.
Operating frequency dependent
fosc
oscillator frequency
SPF03 = 0
SPF03 = 1
tTDI
data input transition time
see Fig.21
tDI1
data input logic 1
see Fig.21
tDI0
data input logic 0
see Fig.21
fDI
data input rate
SPF02 = 0
tBIT
bit period
tCW
codeword duration
tPA
preamble duration
tBAT
batch duration
fDI
data input rate
SPF02 = 1; fosc = 76800 Hz
tBIT
bit period
tCW
codeword duration
tPA
preamble duration
tBAT
batch duration
Alert only mode (SPF01 = 0)
tSDB
switch debounce period
Display pager mode (SPF01 = 1); see Figs 6 and 7
tSTP
status set-up time
fosc = 32768 Hz
tSTD
status change delay
tIEH
interface enable hold time
tSTH
status hold time
tSPD
status pulse duration
tSTP
status set-up time
fosc = 76800 Hz
tSTD
status change delay
tIEH
interface enable hold time
tSTH
status hold time
tSPD
status pulse duration
−
−
−
tBIT
tBIT
−
−
−
1125
−
−
−
−
480
−
−
35
−
35
35
35
15
−
15
15
15
TYP. MAX. UNIT
32768 −
76800 −
−
100
−
∞
−
∞
512 −
1.9531 −
62.5 −
−
−
1062.5 −
1200 −
833.3 −
26.7 −
−
−
453.3 −
Hz
Hz
µs
bits/s
ms
ms
ms
ms
bits/s
ms
ms
ms
ms
62.5 −
ms
−
−
µs
−
35
µs
−
−
µs
−
−
µs
−
−
µs
−
−
µs
−
15
µs
−
−
µs
−
−
µs
−
−
µs
1997 Mar 04
33
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