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参数资料
| 型号： | NTE1692 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit Telephone Pulse Dialer w/Redial |
| 中文描述： | 集成电路电话脉冲拨号瓦特/重拨 |
| 文件页数： | 2/3页 |
| 文件大小： | 28K |
| 代理商： | NTE1692 |
DC Electrical Characteristics:
(T
A
= +25
°
C, Note 1 unless otherwise specified)
Parameter
Symbol
Supply Voltage
V
CC
Key Contact Resistance
R
KI
Note 2
Keyboard Capacitance
C
KI
Note 2
Key Input Voltage
K
IH
2 of 7 input mode, Note 2
K
IL
Key Pull
–
Up Resistance
K
IRU
V
CC
= 6V
Key Pull
–
Down Resistance
K
IRD
V
IN
= 4.8V
Mute Sink Current
I
M
V
CC
= 2.5V, V
O
= 500mV, Note 3
Pulse Output Sink Current
I
P
V
CC
= 2.5V, V
O
= 500mV, Note 4
Tone Output Sink Current
I
TL
V
CC
= 2.5V, V
O
= 500mV, Note 5
Tone Output Source Current
I
TH
V
CC
= 2.5V, V
O
= 500mV, Note 5
Memory Retention Current
I
MR
All outputs under no load, Note 7
Operating Current
I
OP
All outputs under no load
Mute or Pulse Off Leakage
I
LKG
V
CC
= 6V, V
O
= 6V, Note 3, Note 4
V
REF
Output Source Current
I
REF
Note 6
Note 1. Typical values are to be used as a design aid and are not subject to production testing.
Note 2. Applies to key input pin (R
1
–
R
4
, C
1
–
C
3
).
Note 3. Applies to MUTE output pin.
Note 4. Applies to PULSE output pin.
Note 5. Applies to TONE pin (NTE1692 only).
Note 6. Applies to V
REF
pin (NTE1691 only).
Note 7. Current necessary for memory to be maintained. All outputs unloaded.
AC Electrical Characteristics:
(T
A
= +25
°
C, unless otherwise specified)
Parameter
Symbol
Oscillator Frequency
F
OSC
Note 8
Key Input Debounce Time
T
DB
Note 10, Note 11
Key Down Time for Valid Entry
T
KD
Note 11, Note 12
Key Down Time During Two
–
Key Roll Over
t
KR
Note 11
Oscillator Start
–
Up Time
t
os
V
CC
= 2.5V
Mute Valid After Last Outpulses
t
MO
Note 10, Note 11
Pulse Output Pulse Rate
P
R
Note 9
On
–
Hook Time Required to Clear Memory
t
OH
Note 11
Pre
–
Digital Pause
T
PDP
Note 10, Note 11
Inter
–
Digital Pause
T
IDP
Note 10, Note 11
Frequency Stability
f
V
CC
= 2.5 to 3.5V
V
CC
= 2.5 to 6.0V
Tone Output Frequency
F
TONE
Note 11, Note 13
Note 8. R
S
= 2M
, R = 220k
, C = 390pF.
Note 9. If Pin10 is tied to V
CC
, the output pulse rate will be 20pps.
Note10. If the 20pps option is selected, the time will be
1
/
2
these shown.
Note11. These times are directly proportional to the oscillator frequency.
Note12. Debounce plus oscillator start
–
up time
≤
40ms.
Note13. If the 20pps option is selected, the tone output frequency will be 2kHz (NTE1692 only).
Test Conditions
Min
2.5
–
Typ
–
–
Max
6.0
1
Unit
V
k
pF
V
V
k
k
μ
A
mA
μ
A
μ
A
μ
A
μ
A
μ
A
mA
–
–
–
–
30
V
CC
0.2V
CC
–
0.8V
CC
GND
–
100
–
4.0
–
–
–
–
0.7
100
0.001
7.0
–
–
–
–
–
–
500
1.0
250
250
–
–
–
1.0
150
1.0
–
Test Conditions
Min
–
–
40
5
–
–
–
300
–
–
–
–
–
Typ
4
10
–
–
1
5
10
–
800
800
±
4
±
4
1
Max
–
–
–
–
–
–
–
–
–
–
–
–
–
Unit
kHz
ms
ms
ms
ms
ms
PPS
ms
ms
ms
%
%
kHz
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