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2000 May 19
38
Philips Semiconductors
Product specification
One-chip telephone ICs with speech,
dialler and ringer functions
UBA2050(A); UBA2051(A;C)
TIMING CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Timing
K
EYBOARD INPUTS
/
OUTPUTS
(
PINS
C1
TO
C4
AND
R1
TO
R4)
t
dd
keyboard depress
debounce time
keyboard release
debounce time
20
ms
t
rd
20
ms
K
EY TONE OUTPUT
(
PIN
KT)
t
kt
f
kt
D
IAL PULSE
/
FLASH OUTPUT
(
PIN
DP/FL)
keytone time
keytone frequency
30
597
ms
Hz
t
idp
interdigit pause time
dialling rate 10 pps
dialling rate 20 pps
800
500
40
15
2.0
ms
ms
ms
ms
s
t
fho
t
mho
t
ap
flash holdover time
mute holdover time
access pause time
resistor APT is not
present
resistor APT is present
3.6
800
40
s
ms
ms
t
ifp
t
pdp
t
m
interflash pause time
pre-digit pause
make time
dialling rate 10 pps
resistor MBS is not
present
resistor MBS is
present
dialling rate 20 pps
resistor MBS is not
present
resistor MBS is
present
40
ms
33
ms
20
ms
16
ms
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| UBA2051C | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:One-chip telephone ICs with speech, dialler and ringer functions |
| UBA2051CT | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:One-chip telephone ICs with speech, dialler and ringer functions |
| UBA2051T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:One-chip telephone ICs with speech, dialler and ringer functions |
| UBA2070 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:600 V CCFL ballast driver IC |
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