SAP5SD-B-G1-R datasheet(30/63 Pages) ETC2

30 / 63 page

SAP5S / SAP51

Universal Actuator-Sensor Interface IC

Data Sheet

July 17, 2012

the prior written consent of the copyright owner. The information furnished in this publication is PRELIMINARY and subject to

changes without notice.

30 of 62

4.3. DC Characteristics – Digital Inputs

The following pins contain digital high voltage input stages:

Input-only pin:

PFAULT

I/O pins:

P1, P3, D1, D3, DSTBn, PSTBn

1, LED1 1

3-level I/O pins:

P0, P2, D0, D2

Table 16: DC Characteristics of digital high voltage input pins

Symbol Parameter

Min

Max

Unit

Note

VOFL

Voltage range for input ”offset_low” level

1.0

3,4

VOFH

Voltage range for input ”offset_high” level

1.6

VUOUT

3,4

VIL2

Voltage range for input ”low” level

2.5

VIH

Voltage range for input ”high” level

3.5

VUOUT

IIL

Current range for input ”low” level

-12

-3

µA

VIN = 1V

IIH

Current range for input ”high” level

-10

µA

V0  VU5R

CDL

Capacitance at pin DSTBn

1 PSTBn and LED1 are inputs for test purposes only.

2 The pull-up current is driven by a current source connected to U5R. It stays almost constant for input

voltages ranging from 0 to 3.8V.

3 Pins P0, P2, D0 and D2 are used as 3-level inputs - i.e. inputs with offset detection - in Safety Mode only,

configuration beyond depends on the slave profile (refer to Table 26 on page 40)

4 The 3-level input pads contain independent comparators for the detection of regular input data level and

offset. Refer to Figure 12 on page 50 for constraints to the externally applied voltages in Safety Mode.

5 The internal pull-up current is sufficient to avoid accidental triggering of an IC reset if the DSTBn pin remains

unconnected. For external loads at DSTBn a sufficient pull up resistor is required to ensure VIH  3.5V in less

than 90ms after the beginning of a DSTBn = Low pulse.

4.4. DC Characteristics – Digital Outputs

The following pins contain digital high voltage open drain output stages:

Output-only pin:

LED2

I/O pins:

D0 … D3, P0 … P3, DSTBn, PSTBn

1, LED11

Table 17: DC Characteristics of digital high voltage output pins

Symbol Parameter

Min

Max.

Unit

Note

VOL1

Voltage range for output ”low” level

IOL1 = 10mA

VOL2

Voltage range for output ”low” level

0.4

IOL2 = 2mA

IOH

Output leakage current

-10

µA

V0H  VU5R

1 PSTBn and LED1 are inputs for test purposes only.

A slew rate limitation is provided to each digital high voltage output driver which limits the rise and fall times

for both High/Low and Low/High transitions to 40…50ns.

NOTE: The rise time for a Low/High transition is mainly influenced by the external pull-up resistor.

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