參數(shù)資料
型號: HD40A4639R
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer(4位單片微計算機)
中文描述: 4位單片機(4位單片微計算機)
文件頁數(shù): 125/133頁
文件大?。?/td> 803K
代理商: HD40A4639R
HD404639R Series
125
Item
Symbol
Pin(s)
Min
Typ
Max
Unit
Test Condition
Notes
External clock
low width
t
CPL
OSC
1
1100
ns
f
OSC
= 400 kHz
7
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
7
215
ns
7
115
ns
7
105
ns
7
57.5
ns
7, 12
52.5
ns
7, 12
External clock
rise time
t
CPr
OSC
1
150
ns
7
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
7
35
ns
7
25
ns
7
20
ns
7
12.5
ns
7, 12
10
ns
7, 12
External clock
fall time
t
CPf
OSC
1
150
ns
7
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
7
35
ns
7
25
ns
7
20
ns
7
12.5
ns
7, 12
10
ns
t
cyc
/
t
subcyc
7, 12
INT
–INT
,
EVNB
, EVND
high width
t
IH
INT
0
INT
,
EVNB
,
EVND
INT
0
INT
,
EVNB
,
EVND
2
8
INT
–INT
,
EVNB
, EVND
low width
t
IL
2
t
cyc
/
t
subcyc
8
RESET high
width
STOPC
low
width
t
RSTH
RESET
2
t
cyc
9
t
STPL
STOPC
1
t
RC
10
RESET fall time
STOPC
rise time t
STPr
t
RSTf
RESET
STOPC
20
ms
9
20
ms
10
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