參數(shù)資料
型號: UPD17149GTA1
廠商: NEC Corp.
英文描述: SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 小,通用4位單晶片微控制器
文件頁數(shù): 84/102頁
文件大?。?/td> 408K
代理商: UPD17149GTA1
84
μ
PD17145(A1), 17147(A1), 17149(A1)
CPU clock cycle time
(instruction execution
time)
f
INT
0
400
kHz
RESET low-level width
t
RSL
RLS low-level width
t
RLSL
AC Characteristics (V
DD
= 2.7 to 5.5 V, T
a
= –40 to +110 C)
Parameter
Symbol
Condition
MIN.
TYP.
MAX.
Unit
V
DD
= 4.5 to 5.5 V
1.9
41
μ
s
t
CY
V
DD
= 3.6 to 5.5 V
3.9
41
μ
s
7.9
41
μ
s
INT input frequency
(TM0 count clock input)
INT high-, low-level width
t
INTH,
V
DD
= 4.5 to 5.5 V
10
μ
s
(external interrupt input)
t
INTL
50
μ
s
V
DD
= 4.5 to 5.5 V
10
μ
s
50
μ
s
V
DD
= 4.5 to 5.5 V
10
μ
s
50
μ
s
Remark
t
CY
= 16/f
x
(f
x
: system clock oscillation frequency)
Interrupt input timing
RESET input timing
RLS input timing
t
INTL
t
INTH
INT
RESET
t
RSL
RLS
t
RLSL
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