參數(shù)資料
型號: HD404668
廠商: Hitachi,Ltd.
英文描述: Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計算機(jī))
中文描述: 低電壓如同在微機(jī)芯片的DTMF產(chǎn)生電路(帶雙音多頻電路的低電壓微計算機(jī))
文件頁數(shù): 134/142頁
文件大?。?/td> 894K
代理商: HD404668
HD404669 Series
134
Item
External clock low
width
Symbol
t
CPL
Pin(s)
OSC
1
Min
1100
Typ
Max
Unit
ns
Test Condition
f
OSC
= 400 kHz
Notes
6
550
ns
f
OSC
= 800 kHz
f
OSC
= 2 MHz
f
OSC
= 3.58 MHz
f
OSC
= 4 MHz
f
OSC
= 7.16 MHz
f
OSC
= 8 MHz
f
OSC
= 400 kHz
215
ns
115
ns
105
ns
57.5
ns
6, 11
52.5
ns
External clock rise
time
t
CPr
OSC
1
150
ns
6
75
ns
f
OSC
= 800 kHz
f
OSC
= 2 MHz
f
OSC
= 3.58 MHz
f
OSC
= 4 MHz
f
OSC
= 7.16 MHz
f
OSC
= 8 MHz
f
OSC
= 400 kHz
35
ns
25
ns
20
ns
12.5
ns
6, 11
10
ns
External clock fall time
t
CPf
OSC
1
150
ns
6
75
ns
f
OSC
= 800 kHz
35
ns
f
OSC
= 2 MHz
f
OSC
= 3.58 MHz
f
OSC
= 4 MHz
f
OSC
= 7.16 MHz
f
OSC
= 8 MHz
25
ns
20
ns
12.5
ns
6, 11
10
ns
INT
0
–INT
4
, EVND high
widths
t
I H
INT
0
to INT
4
,
EVND
2
t
cyc
/
t
subcyc
t
cyc
/
t
subcyc
7
INT
0
–INT
4
, EVND
low widths
t
I L
INT
0
to INT
4
,
EVND
2
7
RESET high width
t
RSTH
RESET
2
t
cyc
8
STOPC
low width
t
STPL
STOPC
1
t
RC
9
RESET fall time
t
RSTf
RESET
20
ms
8
STOPC
rise time
t
STPr
STOPC
20
ms
9
Input capacitance
C
in
All pins
except D
13
15
pF
f = 1 MHz
V
in
= 0 V,
D
13
15
pF
HD40A4668,
HD40A46612,
HD40A4669,
HCD404669,
HD404668,
HD4046612,
HD404669:
f = 1MHz, V
in
= 0V
40
pF
HD407A4669:
f = 1MHz, V
in
= 0V
相關(guān)PDF資料
PDF描述
HD404669 Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計算機(jī))
HD407A4669 Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計算機(jī))
HD404719FS Five timer/counters
HD404439FS Five timer/counters
HD4074719FS Five timer/counters
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