參數(shù)資料
型號: UPD4991AGS
廠商: NEC Corp.
英文描述: 4-BIT PARALLEL I/O CALENDAR CLOCK
中文描述: 4位并行I / O日歷鐘
文件頁數(shù): 25/32頁
文件大小: 133K
代理商: UPD4991AGS
μ
PD4991A
25
Fig. 13 Dynamic Current Consumption Characteristics
Differences between
μ
PD4991 and
μ
PD4991A
The
μ
PD4991A improves on the characteristics of the
μ
PD4991. These two products differ as follows:
1.
Specifications
PARAMETER
SYMBOL
μ
PD4991
μ
PD4991A
REMARKS
Current Consumption
I
DD
20
μ
A MAX.
14
μ
A MAX.
V
DD
= 3.6 V
Current Consumption
I
DD
15
μ
A MAX.
V
DD
= 3.0 V
Current Consumption
I
DD
6
μ
A MAX.
V
DD
= 2.4 V
Input Data Setup Time
t
DW
0 ns MIN.
50 ns MIN.
Specifications differ
Input Data Hold Time
t
DH
0 ns MIN.
0 ns MIN.
Specifications differ
25
20
15
10
5
0
1.0
2.0
3.0
4.0
5.0
6.0
Supply voltage V
DD
(V)
D
D
μ
PD4991
μ
PD4991A
μ
C
G
= C
D
= 20 pF
T
a
= 25
°
C
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