參數(shù)資料
型號: DS2422
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: DRAM
英文描述: 1K-Bit 1-Wire RAM with Counters(帶計數(shù)器的1K位1線串行RAM)
中文描述: 1K X 1 STANDARD SRAM, PDSO6
封裝: 3.70 X 4 X 1.50 MM, TSOC-6
文件頁數(shù): 21/23頁
文件大?。?/td> 146K
代理商: DS2422
DS2422/DS2423
021998 21/23
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
–0.5V to +7.0V
–40
°
C to +85
°
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 maxi-
mum rating conditions for extended periods of time may affect reliability.
DC CHARACTERISTICS
(V
PUP
=2.8V to 6.0V; V
BAT
=2.8 to 5.5V;–40
°
C to +85
°
C)
MIN
TYP
MAX
PARAMETER
SYMBOL
UNITS
NOTES
Logic 1
V
IH
2.2
V
1, 8
Logic 0
V
IL
–0.3
+0.8
V
1, 9
Output Logic Low @4 mA
V
OL
0.4
V
1
Output Logic High
V
OH
V
PUP
6.0
V
1, 2
Input Load Current
I
L
5
μ
A
3
Standby Current
I
BATS
200
nA
I/O Operate Charge
Q
BATO
200
nC
12
CAPACITANCE
(t
A
= 25
°
C)
NOTES
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
I/O (1–Wire)
C
IN/OUT
100
800
pF
6
COUNTER INPUT CHARACTERISTICS
(V
PUP
=2.8V to 6.0V; V
BAT
=2.8 to 5.5V;–40
°
C to +85
°
C)
MIN
TYP
MAX
PARAMETER
SYMBOL
UNITS
NOTES
Trip Point
V
TRIP
1/2 V
BAT
V
Logic 1
V
INH
V
TRIP
V
BAT
+0.3
V
1, 10
Logic 0
V
INL
–0.3
V
TRIP
V
1
Internal Pull–Up Resistor
R
PI
28
M
11
Debounce Time
T
DEB
290
μ
s
Pulse Width (Active Low)
T
PW
1
μ
s
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