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TolerANT Technology 7-7
Table 7.12 TolerANT Technology Electrical Characteristics
Symbol Parameter Min Max Unit Test Conditions
V
OH
1
1. Active negation outputs only: Data, Parity, SREQ/, SACK/.
Output high voltage 2.5 3.5 V I
OH
= 2.5 mA
V
OL
Output low voltage 0.1 0.5 V I
OL
=48mA
V
IH
Input high voltage 2.0 7.0 V –
V
IL
Input low voltage −0.5 0.8 V Referenced to V
SS
V
IK
Input clamp voltage −0.66 −0.77 V V
DD
= 4.75; I
I
= −20 mA
V
TH
Threshold, HIGH to LOW 1.1 1.3 V –
V
TL
Threshold, LOW to HIGH 1.5 1.7 V –
V
TH
–V
TL
Hysteresis 200 400 mV –
I
OH
1
Output high current 2.5 24 mA V
OH
= 2.5 V
I
OL
Output low current 100 200 mA V
OL
= 0.5 V
I
OSH
1
Short-circuit output high current – 625 mA Output driving low, pin
shorted to V
DD
supply
2
2. Single pin only; irreversible damage may occur if sustained for one second.
I
OSL
Short-circuit output low current – 95 mA Output driving high, pin
shorted to V
SS
supply
I
LH
Input high leakage – 10 µA −0.5 < V
DD
< 5.25
V
PIN
= 2.7 V
I
LL
Input low leakage – −10 µA −0.5 < V
DD
< 5.25
V
PIN
= 0.5 V
R
I
Input resistance 20 – MΩ SCSI pins
3
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.
C
P
Capacitance per pin – 10 pF PQFP
t
R
1
Rise time, 10% to 90% 9.7 18.5 ns Figure 7.1
t
F
Fall time, 90% to 10% 5.2 14.7 ns Figure 7.1
dV
H
/dt Slew rate, LOW to HIGH 0.15 0.49 V/ns Figure 7.1
dV
L
/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