參數(shù)資料
型號: DS87C530-QCL
英文描述: EPROM MICRO WITH REAL TIME CLOCK
中文描述: 微型存儲器與實時時鐘
文件頁數(shù): 26/40頁
文件大?。?/td> 435K
代理商: DS87C530-QCL
DS87C530
022197 26/40
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
–0.3V to +7.0V
0
°
C to 70
°
C
–55
°
C to +125
°
C
260
°
C for 10 seconds
* This is a stress rating only and functional operation of the device at these or any other conditions above those
indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods of time may affect reliability.
DC ELECTRICAL CHARACTERISTICS
PARAMETER
Supply Voltage
(0
°
C to 70
°
C; V
CC
=4.0V to 5.5V)
MAX
UNITS
5.5
V
SYMBOL
V
CC
V
PFW
V
RST
V
BAT
I
CC
MIN
4.5
TYP
5.0
NOTES
1
Power–fail Warning
4.25
4.38
4.5
V
1
Minimum Operating Voltage
4.0
4.13
4.25
V
1
Backup Battery Voltage
2.5
3.0
V
CC
–0.7
V
Supply Current Active Mode
@ 33 MHz
Supply Current Idle Mode
@ 33 MHz
Supply Current Stop Mode,
Band–gap Disabled
Supply Current Stop Mode,
Band–gap Enabled
Backup Supply Current, Data
Retention Mode
Input Low Level
30
mA
2
I
Idle
15
mA
3
I
Stop
1
μ
A
4
I
SPBG
50
μ
A
4
I
BAT
0
0.5
μ
A
11
V
IL
V
IH
V
IH2
V
OL1
–0.3
+0.8
V
1
Input High Level
2.0
V
CC
+0.3
V
CC
+0.3
0.45
V
1
Input High Level XTAL1 and RST
3.5
V
1
Output Low Voltage
@ I
OL
=1.6 mA
Output Low Voltage Ports 0, 2,
ALE, and PSEN @ I
OL
=3.2 mA
Output High Voltage Ports 1, 2, 3,
ALE, PSEN @ I
OH
=–50
μ
A
Output High Voltage Ports 1, 2, 3
@ I
OH
= –1.5 mA
Output High Voltage Port 0 in Bus
Mode I
OH
= –8 mA
Input Low Current Ports 1, 2, 3
@ 0.45V
Transition Current from 1 to 0
Ports 1, 2, 3 @ 2V
Input Leakage Port 0, EA pins, I/O
Mode
Input Leakage Port 0, Bus Mode
0.15
V
1
V
OL2
0.15
0.45
V
1
V
OH1
2.4
V
1,6
V
OH2
2.4
V
1, 7
V
OH3
2.4
V
1, 5
I
IL
–55
μ
A
I
TL
–650
μ
A
8
I
L
–10
+10
μ
A
10
I
L
–300
+300
μ
A
k
9
RST Pull–down Resistance
R
RST
50
170
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