參數(shù)資料
型號: UPD75048GC
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機(jī)
文件頁數(shù): 50/68頁
文件大小: 538K
代理商: UPD75048GC
50
μ
PD75048
AC CHARACTERISTICS
(T
a
= -10 to +70
°
C, V
DD
= 2.7 to 6.0 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
μ
s
μ
s
CPU Clock Cycle Time
(Minimum Instruction
Execution Time
= 1 Machine Cycle)*
1
t
CY
w/main system clock
V
DD
= 4.5-6.0V
0.95
3.8
32
32
w/subsystem clock
114
122
125
μ
s
TI0 Input Frequency
f
TI
V
DD
= 4.5 to 6.0 V
0
0
1
MHz
kHz
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
275
TI0 Input High-, Low-
Level Widths
t
TIH
,
t
TIL
V
DD
= 4.5 to 6.0 V
0.48
1.8
*2
Interrupt Input High-,
Low-Level Widths
t
INTH
,
t
INTL
INT0
INT1, 2, 4
KR0-7
10
10
10
RESET Low-Level Width
t
RSL
*1: The CPU clock (
Φ
) cycle time is determined
by the oscillation frequency of the
connected oscillator, system clock control
register (SCC), and processor clock control
register (PCC).
The figure on the right is cycle time t
CY
vs. supply voltage V
DD
characteristics at
the main system clock.
*2: 2t
CY
or 128/f
X
depending on the setting of
the interrupt mode register (IM0).
0
1
2
3
4
5
6
0.5
1
2
3
4
5
6
32
Supply voltage V
DD
[V]
C
C
t
CY
vs V
DD
(with main system clock)
Operation
guaranteed
range
[
μ
s
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