參數(shù)資料
型號(hào): DS1248Y
廠商: Maxim Integrated Products, Inc.
英文描述: Using the Dallas Phantom Real Time Clocks(帶幻象實(shí)時(shí)時(shí)鐘的NVSRAM)
中文描述: 使用達(dá)拉斯幻影實(shí)時(shí)時(shí)鐘(帶幻象實(shí)時(shí)時(shí)鐘的非易失性SRAM)
文件頁(yè)數(shù): 5/12頁(yè)
文件大?。?/td> 91K
代理商: DS1248Y
DS1248Y
022798 5/12
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
–40
°
C to +70
°
C
260
°
C for 10 seconds (See Note 13)
* 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.
RECOMMENDED DC OPERATING CONDITIONS
(0
°
C to 70
°
C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Power Supply Voltage
V
CC
4.5
5.0
5.5
V
Input Logic 1
V
IH
2.2
V
CC
+0.3
V
Input Logic 0
V
IL
–0.3
0.8
V
DC ELECTRICAL CHARACTERISTICS
(0
°
C to 70
°
C; V
CC
= 5V
±
10%)
MAX
UNITS
PARAMETER
SYMBOL
MIN
TYP
NOTES
Input Leakage Current
I
IL
–1.0
+1.0
μ
A
12
I/O Leakage Current
CE
V
IH
V
CC
I
IO
–1.0
+1.0
μ
A
Output Current @ 2.4V
I
OH
–1.0
mA
Output Current @ 0.4V
I
OL
2.0
mA
Standby Current CE = 2.2V
I
CCS1
5.0
10
mA
Standby Current CE = V
CC
– 0.5V
I
CCS2
3.0
5.0
mA
Operating Current t
CYC
= 200 ns
I
CC01
85
mA
Write Protection Voltage
V
TP
4.25
4.5
V
DC TEST CONDITIONS
Outputs are open; all voltages are referenced to ground.
CAPACITANCE
(t
A
= 25
°
C)
NOTES
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Input Capacitance
C
IN
5
10
pF
Input/Output Capacitance
C
I/O
5
10
pF
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