MC14C89B, AB
Figure 4. Typical Short Circuit Current
versus Temperature
15
10
Normally Low Output Shorted to VCC
5.0
MC14C89AB
MC14C89B
VCC = 5.5 V
0
–5.0
–10
Normally High Output Shorted to Ground
–15
–40
–7.5
25
57.5
85
TA, AMBIENT TEMPERATURE (°C)
2.0
1.8
1.6
1.4
1.2
1.0
0.8
–40
Figure 5. Typical Threshold Voltage
versus Temperature
VIH
t t MC14C89AB
4.5 V VCC 5.5 V
VIL
–7.5
25
57.5
85
TA, AMBIENT TEMPERATURE (°C)
2.0
1.8
1.6
1.4
1.2
1.0
0.8
–40
Figure 6. Typical Threshold Voltage
versus Temperature
t t MC14C89B
4.5 V VCC 5.5 V
VIH
VIL
–7.5
25
57.5
85
TA, AMBIENT TEMPERATURE (°C)
Figure 7. Typical Effect of Response
Control Pin Bias
5.0
RC
4.0
RRC
VIL @ Vbat = –10 V
+
3.0
– Vbat
2.0
VIL @ Vbat = –3.0 V
1.0
Nominal VIL
t t 4.5 V VCC 5.5 V
0
0
10 kΩ
20 kΩ
30 kΩ
40 kΩ
50 kΩ
BIAS RESISTANCE (RRC)
Figure 8. Typical Noise Pulse Rejection
5.0
MC14C89AB
MC14C89B
4.5
Pulse Rate = 300 kHz
RC Pin Open
4.0
3.5
3.0
Noise Pulse Rejection
2.5
2.0
1.4 1.6
1.8
2.0
2.2
2.4
PW, INPUT PULSE WIDTH (µs)
2.6 2.8
4
MOTOROLA ANALOG IC DEVICE DATA