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AS2578B 数据表(PDF) 19 Page - ams AG

部件名 AS2578B
功能描述  TELEPHONE CONTROLLER WITH 13 MEMORIES AND 2-WIRE BUS
PDF  22 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS2578B 数据表(HTML) 19 Page - ams AG

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Data Sheet
Rev. 3
19
AS2578 /B
March 1997
ElectricalCharacteristics
AbsoluteMaximumRatings
Positive Supply Voltage ...................................................................................................................-0.3V
≤ V
DD ≤ 7V
Input Current ................................................................................................................................................
± 25 mA
Digital Input Voltage ......................................................................................................V
SS - 0.3V ≤ VIN ≤ VDD + 0.3V
Electrostatic Discharge (HBM) ........................................................................................................................
±800V
Storage Temperature ......................................................................................................................-65
°C to +125°C
Recommended Operating Conditions
Supply Voltage (except DTMF) .....................................................................................................2.2V
≤ V
DD ≤ 5.5V
Supply Voltage (DTMF) .................................................................................................................2.5V
≤ V
DD ≤ 5.5V
Oscillator Frequency ..................................................................................................................................3.58 MHz
Operating Temperature ....................................................................................................................- 25
°C to +70°C
DC Characteristics (Default conditions: recommended operating conditions; outputs unloaded; V
DD = 3.5V;
AP and MODE = Vss; unless otherwise specified))
Symbol
Parameter
Conditions
Min
Typ
Max
Units
I
DD0
Standby Current
HS = L; CE = L
0.1
µA
I
DD
Standby Current
HS = H; Osc. = 0
3.6
µA
I
DD
Operating Current
no tones
400
700
µA
I
DD
Operating Current
MF/melody
0.9
1.5
mA
V
IL
Input Voltage, Low
V
SS
0.2 V
DD
V
V
IH
Line Voltage, High
0.8 V
DD
V
DD
V
I
OL
Output Current, Sink
V
OL = 0.4V
1.5
mA
I
OH
Output Current, Source
V
OH = VDD - 0.4V
1
mA
R
HS
Pull-down Resistor
1
M
Ω
R
CE
Pull-down Resistor
1
M
Ω
AC Charateristics
(Default conditions: recommended operating conditions)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
t
S
Clock Startup Time
5
ms
t
D
Key Debounce Time
14.7
ms
t
HS
HS Debounce Time
14.7
ms
t
SU
Setup Time
100
ms
Continues…



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