AS2701A 데이터 시트보기 (PDF) - austriamicrosystems AG

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AS2701A

AS-Interface Slave IC

austriamicrosystems AG 

AS-Interface Slave IC

AS2701A (ISA3+)

Symbol Parameter

min

max

Unit

Note

VIL

Input Voltage “Low” 0

1.5

V

VIH

Input Voltage “High” 3.5

VUOUT V

VHYST Input Hysteresis

0.25

0.5

V

1

VOL11

Output Voltage

0

1

V

IOL11 = 10mA

D0… D3, DSTBn

VOL12

Output Voltage

0

1

V

IOL12 = 6mA

P0… P3, PSTBn

VOL2

Output Voltage

0

0.4

IOL2 = 2mA

IIL

Input Current

-20

-5

µA

VIL = 1V, Output “off”

IIH

Input Current

-10

10

µA

VU5R ≤ VIH ≤ 40V

Output “off”

CDL

Loading Capacitance

10

pF

2

on DSTBn

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

t DSTBH

t DATA

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

t DSTB

DSTBn Pulse Width

t DINon

t DINoff

DSTBn to D0… D3, Direction IN, Valid

Input Data

DSTBn to D0… D3, End of Direction IN

t CYCLE

Next Cycle

t ALM1

t ALM2

Extension DSTBn to D0… D3, High

Resistive

Extension DSTBn (No Reset)

Note 1: Data valid until DSTBn L/H-edge

min

6.2

6

6.5

12.5

150

35

max

1

Unit Note

µs

1.5

µs

7

µs 1

6.8

µs

7.7

µs

t CYCLE µs

µs

44

µs

µs

Rev. C, October 2000

Page 8 of 16

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