參數(shù)資料
型號: AS2701A
廠商: AUSTRIAMICROSYSTEMS AG
元件分類: 其它接口
英文描述: AS-Interface Slave IC
中文描述: SPECIALTY INTERFACE CIRCUIT, PDSO20
封裝: SOIC-20
文件頁數(shù): 8/16頁
文件大?。?/td> 180K
代理商: AS2701A
AS-Interface Slave IC
AS2701A (ISA3+)
Rev. C, October 2000
Page 8 of 16
Symbol
VIL
VIH
VHYST
VOL11
Parameter
Input Voltage “Low”
Input Voltage “High”
Input Hysteresis
Output Voltage
min
0
3.5
0.25
0
max
1.5
VUOUT
0.5
1
Unit
V
V
V
V
Note
1
IOL11 = 10mA
D0…D3, DSTBn
IOL12 = 6mA
P0…P3, PSTBn
IOL2 = 2mA
VIL = 1V, Output “off”
VU5R
VIH
40V
Output “off”
2
VOL12
Output Voltage
0
1
V
VOL2
IIL
IIH
Output Voltage
Input Current
Input Current
0
-20
-10
0.4
-5
10
μA
μA
CDL
Loading Capacitance
on DSTBn
10
pF
Notes:
1 Switching points approx. 2.5 V, i.e. 2.5 V
±
VHYST
2 For larger capacitive loads an external Pull-Up-Resistor to UOUT must be used, so that
the beginning of the DSTB = LOW impulse of VIH
3.5 V to DSTBn is reached in less than
35 μs, otherwise a reset is the result.
Timing characteristics
Symbol
t
DSTBL
Parameter
DSTBn to D0…D3, Direction OUT,
Output Data LOW
DSTBn to D0…D3, Direction OUT,
Output Data HIGH
DSTBn to D0…D3, High Resistive
min
max
1
Unit
μs
Note
t
DSTBH
1.5
μs
t
DATA
6.2
7
μs
1
t
DSTB
DSTBn Pulse Width
6
6.8
μs
t
DINon
DSTBn to D0…D3, Direction IN, Valid
Input Data
DSTBn to D0…D3, End of Direction IN
6.5
7.7
μs
t
DINoff
12.5
t CYCLE
μs
t
CYCLE
Next Cycle
150
μs
t
ALM1
Extension DSTBn to D0…D3, High
Resistive
Extension DSTBn (No Reset)
44
μs
t
ALM2
35
μs
Note 1: Data valid until DSTBn L/H-edge
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