參數資料
型號： MK53761
廠商： 意法半導體
英文描述： REPERTORY DIALER
中文描述： 劇目撥號器
文件頁數： 7/11頁
文件大?。?/td> 199K
代理商： MK53761
ABSOLUTE MAXIMUM RATINGS*
Parameter
Value
6.5
– 20 to +60
– 55 to + 125
500
(V
+
) + .3 ; (V
–
) – .3
Unit
V
°
C
°
C
mW
V
DC Supply Voltage
Operating Temperature
Storage Temperature
Maximum Power Dissipation (25
°
C)
Maximum Voltage on any Pin
* All specifications are for 2.5 Volt operation and full operating temperature range unless otherwise stated.
DC CHARACTERISTICS
Symbol
V+
TONE
V
MR
I
S
I
MR
V
MUTE
I
T
I
P
Parameter
DC Operating Voltage
(tone mode)
Memory Retention Voltage
Standby Current
Memory Retention Current
Mute Output Operating Voltage
Operating Current (tone)
Operating Current (pulse)
Operating Current On-hook Program Mode
Key Operated
No-key Operated
Mute Output (2.5 Volts)
Sink Current (4.0 Volts)
Pulse Output Sink Current
Pacifier Tone Sink/Source
Keypad Pullup Resistance
Keypad Pulldown Resistance
Keypad Input Level-low
Min.
2.5
Typ.
Max.
6.0
Unit
V
Notes
1.5
V
μ
A
μ
A
V
μ
A
μ
A
1. 6
1
5. 6
7
2
2
0.4
0.15
1.0
0.75
1.8
300
150
600
250
200
1
μ
A
μ
A
mA
mA
mA
μ
A
k
V
I
ML
1.0
3.0
1.0
250
3
I
PL
I
PC
K
RU
K
RD
V
IL
2.0
500
100
500
3
4
0
0.3 V
+
V +
V
IH
Keypad Input Level-high
0.7 V
+
1.8
V
V
PULSE
Operating Voltage (pulse mode)
6.0
V
Notes :
1. All inputs unloaded. Quiescent mode (oscillator off).
2. All outputs unloaded, singlekey input.
3. V
OUT
=0.4 Volts.
4. Sink current for V
OUT
= 0.5 Volts,Source Current forV
OUT
= 2.0 Volts.
5. Memory Retention Voltage is the point where memory is guaranteed but circuit operation is not.
6. Propermemoryretention isguaranteed ifeitherthe minimumI
MR
isprovidedorthe minimumV
MR
. Thedesign doesnothave toprovide
both theminimum current or voltage simultaneously.
7.
Minimumvoltage where activation ofmute outputwith keyentry is ensured.
ELECTRICAL CHARACTERISTICS
(T
amb
= 25
°
C unless otherwise specified)
Table3
: Special Function Delays.
Eachdelay shownbelow representsthe time required fromafter the special functionkey is depresseduntil
a new digitcan be dialed.
Thetimeis considered”FIRST”keyisall previousinputshavebeencompleteddialed.Thetime isconsidered
”AUTO” if in redial, or previousdialing is still inprogress.
Function
SOFTSWITCH
First/Auto
Pulse
0.40
1.10
Tone
FIRST
AUTO
MK53761
7/11
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