Table 7.12 TolerANT Technology Electrical Characteristics

Symbol

Parameter

Min

Max

Unit

Test Conditions

 

 

 

 

 

 

 

1

Output high voltage

2.5

3.5

V

IOH = 2.5 mA

VOH

VOL

Output low voltage

0.1

0.5

V

IOL = 48 mA

VIH

Input high voltage

2.0

7.0

V

 

VIL

Input low voltage

0.5

0.8

V

Referenced to VSS

VIK

Input clamp voltage

0.66

0.77

V

VDD = 4.75; II = 20 mA

VTH

Threshold, HIGH to LOW

1.1

1.3

V

 

VTL

Threshold, LOW to HIGH

1.5

1.7

V

 

VTH–VTL

Hysteresis

200

400

mV

 

1

Output high current

2.5

24

mA

VOH = 2.5 V

IOH

IOL

Output low current

100

200

mA

VOL = 0.5 V

1

Short-circuit output high current

625

mA

Output driving low, pin

IOSH

 

 

 

 

 

shorted to V

supply2

 

 

 

 

 

DD

 

IOSL

Short-circuit output low current

95

mA

Output driving high, pin

 

 

 

 

 

shorted to VSS supply

ILH

Input high leakage

10

μA

0.5 < VDD < 5.25

 

 

 

 

 

VPIN = 2.7 V

ILL

Input low leakage

10

μA

0.5 < VDD < 5.25

 

 

 

 

 

VPIN = 0.5 V

RI

Input resistance

20

MΩ

SCSI pins3

CP

Capacitance per pin

10

pF

PQFP

 

tR1

Rise time, 10% to 90%

9.7

18.5

ns

Figure 7.1

tF

Fall time, 90% to 10%

5.2

14.7

ns

Figure 7.1

dVH/dt

Slew rate, LOW to HIGH

0.15

0.49

V/ns

Figure 7.1

dVL/dt

Slew rate, HIGH to LOW

0.19

0.67

V/ns

Figure 7.1

ESD

Electrostatic discharge

2

kV

MIL-STD-883C; 3015-7

 

 

 

 

 

 

 

 

Latch-up

100

mA

 

 

 

 

 

 

 

 

Filter delay

20

30

ns

Figure 7.2

 

 

 

 

 

 

 

Extended filter delay

40

60

ns

Figure 7.2

 

 

 

 

 

 

 

1.Active negation outputs only: Data, Parity, SREQ/, SACK/.

2.Single pin only; irreversible damage may occur if sustained for one second.

3.SCSI RESET pin has 10 kΩ pull-up resistor.

Note: These values are guaranteed by periodic characterization; they are not 100% tested on every device.

TolerANT Technology

7-7

Page 189
Image 189
LSI 53C810A technical manual TolerANT Technology Electrical Characteristics, Pqfp