參數(shù)資料
型號: PCF5001T
廠商: NXP SEMICONDUCTORS
元件分類: 尋呼電路
英文描述: POCSAG Paging Decoder
中文描述: TELECOM, PAGING DECODER, PDSO28
封裝: 7.50 MM, PLASTIC, MS-013AE, SOT-136-1, SOP-28
文件頁數(shù): 33/44頁
文件大小: 273K
代理商: PCF5001T
1997 Mar 04
33
Philips Semiconductors
Product specification
POCSAG Paging Decoder
PCF5001
12 TIMING CHARACTERISTICS
V
DD
= 0 V; V
SS
=
2.7 V; T
amb
= 25
°
C.
Quartz crystal parameters: f = 32768 or 76800 Hz; R
S(max)
= 40 k
; C
L
= 12 pF.
Decoder Mode programmed as Display or Alert-only Pager (SPF01 = 1 or 0).
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Operating frequency dependent
f
osc
oscillator frequency
SPF03 = 0
SPF03 = 1
see Fig.21
see Fig.21
see Fig.21
SPF02 = 0
t
BIT
t
BIT
1125
480
32768
76800
512
1.9531
62.5
1062.5
1200
833.3
26.7
453.3
100
Hz
Hz
μ
s
t
TDI
t
DI1
t
DI0
f
DI
t
BIT
t
CW
t
PA
t
BAT
f
DI
t
BIT
t
CW
t
PA
t
BAT
data input transition time
data input logic 1
data input logic 0
data input rate
bit period
codeword duration
preamble duration
batch duration
data input rate
bit period
codeword duration
preamble duration
batch duration
bits/s
ms
ms
ms
ms
bits/s
ms
ms
ms
ms
SPF02 = 1; f
osc
= 76800 Hz
Alert only mode (SPF01 = 0)
t
SDB
switch debounce period
62.5
ms
Display pager mode (SPF01 = 1);
see Figs 6 and 7
t
STP
t
STD
t
IEH
t
STH
t
SPD
t
STP
t
STD
t
IEH
t
STH
t
SPD
status set-up time
status change delay
interface enable hold time
status hold time
status pulse duration
status set-up time
status change delay
interface enable hold time
status hold time
status pulse duration
f
osc
= 32768 Hz
35
35
35
35
15
15
15
15
35
15
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
f
osc
= 76800 Hz
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