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): 85/102頁
文件大小: 408K
代理商: UPD17149GTA1
85
μ
PD17145(A1), 17147(A1), 17149(A1)
Serial transfer operation (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
2.0
μ
s
10
μ
s
R
L
= 1 k
,
V
DD
= 4.5 to 5.5 V
2.0
μ
s
C
L
= 100 pF
8
μ
s
Internal pull-up,
V
DD
= 4.5 to 5.5 V
32
μ
s
C
L
= 100 pF
64
μ
s
V
DD
= 4.5 to 5.5 V
1.0
μ
s
5.0
μ
s
SCK high-, low-level
t
KH,
R
L
= 1 k
,
V
DD
= 4.5 to 5.5 V
t
KCY
/2 – 0.6
μ
s
width
t
KL
C
L
= 100 pF
t
KCY
/2 – 1.2
μ
s
Internal pull-up,
V
DD
= 4.5 to 5.5 V
t
KCY
/2 – 12
μ
s
C
L
= 100 pF
t
KCY
/2 – 24
μ
s
SI setup time (to SCK
)
t
SIK
100
ns
SI hold time (from SCK
)
t
KSI
100
ns
R
L
= 1 k
, C
L
= 100 pF
V
DD
= 4.5 to 5.5 V
0.8
μ
s
SO output delay time
1.4
μ
s
from SCK
Internal pull-up,
V
DD
= 4.5 to 5.5 V
14
μ
s
C
L
= 100 pF
26
μ
s
Remark
R
L
: load resistance of output line
C
L
: load capacitance of output line
Serial transfer timing
Input
Output
SCK cycle time
t
KCY
Input
Output
t
KSO
V
DD
R
L
C
L
Output line
SCK
SI
SO
t
KCY
t
KL
t
KH
t
SIK
t
KSI
t
KSO
Output data
Input data
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