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參數(shù)資料
| 型號： | L3913 |
| 文件頁數(shù)： | 6/14頁 |
| 文件大?。?/td> | 199K |
| 代理商： | L3913 |
ELECTRICAL CHARACTERISTICS
(continued)
Symbol
LEAKAGE(V
RAM
= 3.5V)
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Fig.
I
KL
Input Low (Keyboard current)
C1 % C6 (pins 1, 2, 41 % 44)
V
IL
= 0.5V
C1 % C6 (pins 1, 2, 41 % 44)
V
IL
= 0.4V
CK (pin 37) V
IL
= 0.5V
EA (pin 7) V
IH
= 3.5V
DCFV (pin 4), Flash (3)
V
IL
= 0V
C1 % C6 (pins 1, 2, 41 % 44)
V
IH
= 3.1V
DCFV (pin 4), Flash (3), CK(37)
V
IH
= 3.5V
Reset (pin 6)
OL (pin 5)
Reset (pin 6)
OL (pin 5)
1.5
-
5
μ
A
I
il
Input Low
150
450
1300
μ
A
-
5
-
1
16
- 1.5
μ
A
μ
A
μ
A
I
ih
Input High
11.5
- 6
- 10
- 1300
- 450
- 150
μ
A
-
-
-
-
-
-
1
1
μ
A
μ
A
mA
mA
mA
μ
A
I
ol
Output Low
V
OL
= 0.4V
0.2
0.7
- 1.8
- 30
1.3
3.7
- 0.2
- 8
I
oh
Output High
VOH = 2.85V
V
OH
= 0.7V
- 0.6
-
TIMING AND FREQUENCY
t
r
Reset Time
In mode DTMF
In mode 60/40
In mode 66/33
-
-
-
-
34.3
30
33
5
-
-
-
24
26.4
27.4
-
-
-
-
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
7
7
7
t
on
t
lb
Clock Start-up Time
Time line Break generating a
Reset
In mode 60/40
In mode 66/33
In mode DTMF
In mode 60/40
In mode 66/33
In mode DTMF
290
319
341
14
15.4
16
300
330
343
34
37.4
38.9
7
7
7
t
e
Debounce Time
SERIALBUS
t
wl
, t
wh
t
el
, t
eh
t
set up
Pulse Width Clock
Pulse Width Enable Signal
Set-up Time Data to Clock
Hold Time Data Drom Clock
Enable Time
Time Between two
Transmissions
PULSE DIALLING (OL)
2
2
0
-
-
-
-
-
-
-
-
-
-
-
-
μ
s
μ
s
ns
ns
ns
μ
s
8
8
8
8
8
8
100
0
900
t
e
t
RRN
Dialling Pulse Frequency
In mode 60/40 (pin 4tied to
RESET)
In mode 66/33 (pin 4 not
Connected)
pin 4 tied to RESET
pin 4 n.c.
pin 4 tied to RESET
pin 4 n.c.
pin 4 tied to RESET
pin 4 n.c.
-
10
-
Hz
-
10.11
-
Hz
T
OL
Dialling Pulse Period
-
-
-
-
-
-
100
98.9
60
66
40
33
-
-
-
-
-
-
ms
ms
ms
ms
ms
ms
t
b
Break Time
t
m
Make Time
L3913
6/14
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