參數(shù)資料
型號: DS2251T-64-16
英文描述: CONNECTOR ACCESSORY
中文描述: 連接器附件
文件頁數(shù): 9/20頁
文件大?。?/td> 654K
代理商: DS2251T-64-16
DS2251T
9 of 20
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Voltage on V
CC
Relative to Ground
Operating Temperature
Storage Temperature
2
Soldering Temperature
-0.3V to (V
CC
+ 0.5V)
-0.3V to +6.0V
-40°C to +85°C
-55°C to +125°C
260°C for 10 seconds
1
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.
2
Storage temperature is defined as the temperature of the device when V
CC
=0V and V
LI
=0V. In this state
the contents of SRAM are not battery-backed and are undefined.
DC CHARACTERISTICS
(t
A
=0
C to70
C; V
CC
=5V
±
10%)
PARAMETER
SYMBOL
Input Low Voltage
V
IL
Input High Voltage
V
IH1
Input High Voltage RST, XTAL1
PROG
V
IH2
Output Low Voltage
@ I
OL
=1.6 mA (Ports 1, 2, 3,
PF
)
Output Low Voltage
@ I
OL
=3.2 mA (Ports 0, ALE,
PSEN
,
BA13-0, BD7-0, R/
W
,
PE
3-4)
Output High Voltage
@ I
OH
= -80
μ
A (Ports 1, 2, 3)
Output High Voltage
@ I
OH
=-400
μ
A (Ports 0, ALE,
PSEN
,
PF
, BA13-0, BD7-0, R/
W
,
PE
3-4)
Input Low Current V
IN
= 0.45V
(Ports 1, 2, 3)
Transition Current; 1 to 0
V
IN
= 2.0V (Ports 1, 2, 3)
Input Leakage Current
0.45 < V
IN
< V
CC
(Port 0)
RST Pulldown Resistor
R
RE
R
VR
R
PR
Power-Fail Warning Voltage
V
PFW
Minimum Operating Voltage
V
CCmin
Operating Current @ 16 MHz
I
CC
Idle Mode Current @ 12 MHz
I
IDLE
Stop Mode Current
I
STOP
MIN
-0.3
2.0
3.5
TYP
MAX
+0.8
V
CC
+0.3
V
CC
+0.3
0.45
UNITS
V
V
V
V
NOTES
1
1
1
1, 7
V
OL1
0.15
V
OL2
0.15
0.45
V
1
V
OH1
2.4
4.8
V
1
V
OH2
2.4
4.8
V
1
I
IL
-50
μ
A
I
TL
-500
μ
A
I
IL
±
10
μ
A
40
150
k
k
k
V
V
mA
mA
μ
A
VRST
Pullup Resistor
4.7
40
4.37
4.12
PROG
Pullup Resistor
4.25
4.00
4.50
4.25
45
7.0
80
1
1
2
3
4
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