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參數(shù)資料
| 型號： | MB89P175A |
| 廠商： | Fujitsu Limited |
| 英文描述： | 8-Bit Proprietary Microcontroller(8位專用微控制器) |
| 中文描述： | 8位微控制器專利（8位專用微控制器） |
| 文件頁數(shù)： | 33/44頁 |
| 文件大小： | 686K |
| 代理商： | MB89P175A |
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MB89170/170A Series
33
(7) Peripheral Input Timing
(V
CC
= +5.0 V
±
10%, V
SS
= 0.0 V, T
A
= –40
°
C to +85
°
C)
Value
* :For information on t
inst,
see “(4) Instruction Cycle.”
(8) Electrical Characteristics of DTMF Generator
(V
SS
= 0.0 V, F
CH
= 3.579545 MHz, T
A
= –30
°
C to + 60
°
C)
Value
Unit
Min.
Typ.
Max.
Parameter
Symbol
Pin name
Unit
Remarks
Min.
Max.
Peripheral input “H” pulse width 1
t
ILIH1
EC, INT0 to INT2,
LI0 to LI7
2 t
inst
*
—
μ
s
μ
s
Peripheral input “L” pulse width 1
t
IHIL1
2 t
inst
*
—
Parameter
Symbol
Condition
Remarks
Operating voltage range
—
—
3.0
—
6.0
V
MB89P173
2.4
—
6.0
V
k
MB89173/174A/P175A
Output load requirements
R
O
V
CC
= 4.5 V to 6.0 V
30
—
—
Defined when the DTMF pin is
connected to a pull-down resistor
for the MB89P173.
V
CC
= 3.0 V to 4.5 V
200
—
—
k
—
30
—
—
k
Defined when the DTMF pin is
connected to a pull-down resistor
for the MB89173/174A/P175A
DTMF output offset
voltage (at signal output)
V
MOF
V
CC
= 5.0 V
—
2.4
—
V
When the DTMF pin is
open for MB89P173.
—
0.6
—
V
When the DTMF pin is
open for the MB89173/
174A/P175A.
DTMF output amplitude
(COL single tone)
V
MFOC
V
CC
= 5.0 V
450
530
600
mV
P-P
When DTMF pin is open.
DTMF output amplitude
(ROW single tone)
V
MFOR
V
CC
= 5.0 V
350
420
480
mV
P-P
Difference between
COL and ROW levels
R
MF
—
1.6
2.0
2.4
dB
0.2 V
CC
0.8 V
CC
t
IHIL1
0.8 V
CC
EC
INT0 to INT2
LI0 to LI7
0.2 V
CC
t
ILIH1
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|---|---|
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