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参数资料
| 型号： | NTE1693 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit Telephone Pulse Dialer (CMOS) |
| 中文描述： | 集成电路电话脉冲拨号器（CMOS）技术 |
| 文件页数： | 2/3页 |
| 文件大小： | 25K |
| 代理商： | NTE1693 |
DC Electrical Characteristics:
(T
A
=
–
30
°
to +60
°
C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
k
pF
Key Contact Resistance
R
KI
C
KI
K
1H
–
–
1
Keyboard Capacitance
–
–
30
Input Voltage
2
–
of
–
7 input mode, Note 4
0.8V
DD
GND
–
V
DD
0.2V
DD
–
V
–
V
k
k
μ
A
mA
Key Pull
–
Up Resistance
K
IRU
K
IRD
I
M
I
P
V
REF
I
MR
I
OP
I
LKG
V
DD
= 6.0V, V
IN
= 4.8V
–
4
Key Pull
–
Down Resistance
–
100
–
MUTE Sink Current
V
DD
= 2.5V, V
OUT
= 0.5V, Note 5
V
DD
= 2.5V, V
OUT
= 0.5V, Note 6
I
SUPPLY
= 150
μ
A, Note 7
All outputs in no
–
load state
500
–
–
Pulse Output Sink Current
1.0
–
–
V
DD
–
V
RFF
Value
Memory Retention Current
1.5
2.5
3.5
V
μ
A
μ
A
μ
A
–
0.7
–
Operating Current
All outputs in no
–
load state
–
100
150
MUTE, PULSE Leakage
V
DD
= 6.0V, V
OUT
= 6.0V, Note 5, Note 6
–
0.001
1
Note 4. Applies to key input pins (ROW1
–
ROW4 COL1
–
COL3)
Note 5. Applies to MUTE output pin.
Note 6. Applies to PULSE output pin
Note 7. Applies to V
REF
pin.
AC Electrical Characteristics:
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Oscillator Frequency
f
OSC
t
DB
t
KD
t
ON
P
R
t
B
Note 8
–
480
–
kHz
Keyboard Debounce Time
–
10
–
ms
Time for Valid Key Entry
40
–
–
ms
Oscillator Start
–
Up Time
Note 9
–
6
–
ms
Pulse Rate
–
10
–
pps
Break Time
Pin9 tied to V+
–
61
–
ms
Pin9 tied to V
–
–
67
–
ms
Inter
–
Digital Pause
t
IDP
–
800
–
ms
Note 8. Typical values are exact with a nominal 480kHz frequency reference (except for oscillator
start
–
up time)
Note 9. Ceramic resonator should have the following equivalent values: R
<
20
, RA
≥
70k
, C
O
≤
500pF.
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