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HD404816FS bảng dữ liệu(PDF) 94 Page - Renesas Technology Corp

tên linh kiện HD404816FS
Giải thích chi tiết về linh kiện  4-Bit Single-Chip Microcomputer
PDF  100 Pages
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nhà sản xuất  RENESAS [Renesas Technology Corp]
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HD404816FS bảng dữ liệu(HTML) 94 Page - Renesas Technology Corp

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HD404818 Series
92
AC Characteristics (HD40L4812, HD40L4814, HD40L4816, HD40L4818:
V
CC
= 2.7 to 6 V;
HD407L4818: V
CC = 3 to 5.5 V; GND = 0 V, Ta = –20°C to +75°C, unless otherwise specified)
Item
Symbol
Pin(s)
Min
Typ
Max
Unit
Test Condition
Notes
Oscillation
frequency
f
OSC
OSC
1, OSC 2
250
800
900
kHz
X1, X2
32.768
kHz
Instruction cycle
time
t
cyc
4.45
5
16
µs
Oscillator
stabilization time
t
RC
OSC
1, OSC 2
7.5
ms
f
OSC = 400 kHz
1
7.5
ms
f
OSC = 800 kHz
1
X1, X2
3
s
T
a= –10° to 60 °C2
External clock
frequency
f
CP
OSC
1
250
900
kHz
3
External clock high
width
t
CPH
OSC
1
525
ns
3
External clock low
width
t
CPL
OSC
1
525
ns
3
External clock rise
time
t
CPr
OSC
1
30
ns
3
External clock fall
time
t
CPf
OSC
1
30
ns
3
INT
0 high width
t
IH
INT
0
2t
cyc/
t
subcyc
4, 6
INT
0 low width
t
IL
INT
0
2t
cyc/
t
subcyc
4, 6
INT
1 high width
t
IH
INT
1
2t
cyc
4
INT
1 low width
t
IL
INT
1
2t
cyc
4
RESET high width t
RSTH
RESET
2
t
cyc
5
Input capacitance
C
in
D
10
15
pF
f = 1 MHz, V
in = 0 V
8
90
pF
f = 1 MHz, V
in = 0 V
9
All pins except D
10
15
pF
f = 1 MHz, V
in = 0 V
Reset fall time
t
RSTf
20
ms
5
Analog
comparator
stabilization time
t
CSTB
D
12, D13
2t
cyc
7
Notes: 1. The oscillator stabilization time is the period from when V
CC reaches 2.7 V (HD407L4818:
V
CC =
3.0 V) at power-on until the oscillator stabilizes, or after RESET goes high. At power-on or when
recovering from stop mode, RESET must be kept high for more than t
RC.
Since t
RC depends on
the ceramic oscillator’s circuit constant and stray capacitance, consult with the ceramic oscillator
manufacturer when designing the reset circuit.



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