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參數(shù)資料
| 型號(hào)： | MM58174AN |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | Microprocessor-Compatible Real-Time Clock |
| 中文描述： | 0 TIMER(S), REAL TIME CLOCK, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-16 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 130K |
| 代理商： | MM58174AN |
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Voltage at All Inputs and Outputs
V
DD
a
0.3 to V
SS
b
0.3
Operating Temperature
MM58174AN
b
40
§
C to
a
85
§
C
Storage Temperature
b
65
§
C to
a
150
§
C
V
DD
–V
SS
Lead Temperature (Soldering, 10 seconds)
6.5V
300
§
C
Electrical Characteristics
T
A
e b
40
§
C to
a
85
§
C, V
SS
e
0V
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
DD
Supply Voltage
Standby Mode
(no READ or WRITE Instructions)
Operational Mode
2.2
5.5
V
4.5
5.5
V
I
DD
Supply Current
V
DD
e
2.2V (Standby)
V
DD
e
5V (Operating)
10
1
m
A
mA
Input Logic Levels
for Signals:
AD0–AD3, DB0–DB3, WR, RD, CS
Logic ‘‘1’’
Logic ‘‘0’’
V
DD
e
5V
2
V
V
0.8
Input Capacitance
10
pF
Input Current Levels
V
DD
e
5V
Current to V
SS
for Signals:
AD0–AD3, DB0–DB3, RD
V
IN
e
V
DD
30
m
A
Internal Resistor to V
DD
for Signals:
WR
CS
30
30
100
100
k
X
k
X
Output Logic Levels
for Signals:
DB0–DB3
Logic ‘‘1’’
Logic ‘‘0’’
INTERRUPT (Open Drain)
Logic ‘‘0’’
Off Leakage
V
DD
e
5V
I
OH
e b
0.1 mA
I
OL
e
1.6 mA
2.4
V
V
0.4
For I
DS
e
1.6 mA
V
OUT
e
5V
0.4
5
V
m
A
2
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