参数资料
型号: UPD780021AYCW-XXX
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8.38 MHz, MICROCONTROLLER, PDIP64
封装: 0.750 INCH, PLASTIC, SDIP-64
文件页数: 42/96页
文件大小: 723K
代理商: UPD780021AYCW-XXX
47
PD780021A, 780022A, 780023A, 780024A, 780021AY, 780022AY, 780023AY, 780024AY
Data Sheet U14042EJ4V0DS
AC Characteristics
(1) Basic Operation (TA = –40 to +85
°C, VDD = 1.8 to 5.5 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Cycle time
TCY
Operating with
4.5 V
≤ VDD ≤ 5.5 V
0.166
16
s
(Min. instruction
main system clock
3.0 V
≤ VDD ≤ 4.5 V
0.238
16
s
execution time)
2.7 V
≤ VDD ≤ 3.0 V
0.4
16
s
1.8 V
≤ VDD ≤ 2.7 V
1.6
16
s
Operating with subsystem clock
103.9Note 1
122
125
s
TI00, TI01 input
tTIH0, tTIL0
3.0 V
≤ VDD ≤ 5.5 V
2/fsam+0.1Note 2
s
high-/low-level
2.7 V
≤ VDD < 3.0 V
2/fsam+0.2Note 2
s
width
1.8 V
≤ VDD < 2.7 V
2/fsam+0.5Note 2
s
TI50, TI51 input
fTI5
2.7 V
≤ VDD ≤ 5.5 V
0
4
MHz
frequency
1.8 V
≤ VDD < 2.7 V
0
275
kHz
TI50, TI51 input
tTIH5, tTIL5
2.7 V
≤ VDD ≤ 5.5 V
100
ns
high-/low-level
1.8 V
≤ VDD < 2.7 V
1.8
ns
width
Interrupt request
tINTH, tINTL
INTP0 to INTP3,
2.7 V
≤ VDD ≤ 5.5 V
1
s
input high-/low-
P40 to P47
1.8 V
≤ VDD < 2.7 V
2
s
level width
RESET
tRSL
2.7 V
≤ VDD ≤ 5.5 V
10
s
low-level width
1.8 V
≤ VDD < 2.7 V
20
s
Notes 1. Value when the external clock is used. When a crystal resonator is used, it is 114
s (MIN.).
2. Selection of fsam = fX, fX/4, fX/64 is possible using bits 0 and 1 (PRM00, PRM01) of prescaler mode
register 0 (PRM0). However, if the TI00 valid edge is selected as the count clock, the value becomes
fsam = fX/8.
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