MC75174B Motorola, MC75174B Datasheet - Page 4

• Manufacturer Part Number: MC75174B
• Description: (MC75172B / MC75174B) QUAD EIA-485 LINE DRIVERS
• Manufacturer: Motorola

NOTES: 1. S.G. set to: f
(0.8 or 2.0 V)
4
V in
S.G.
V in
V in
2. t SK1 = t PLHD – t PHLD for each driver.
3. t SK2 computed by subtracting the shortest t PLHD from the longest t PLHD of the 4 drivers within a package.
4. t SK3 computed by subtracting the shortest t PHLD from the longest t PHLD of the 4 drivers within a package.
S.G.
V CC
V CC
Figure 1. V DD Measurement
V CC
Y
Z
p
1.0 MHz; duty cycle = 50%; t r , t f ,
54
V OD2,A
50 pF
Figure 3. Propagation Delay, Single–Ended Outputs
2.3 V
27
15 pF
Figure 4. Propagation Delay, Differential Outputs
R L /2
R L /2
V OD
Output
V OS
MC75172B MC75174B
p
Output Y
Output Z
5.0 ns.
(0.8 or 2.0 V)
V in
V in
V in
V OD
1.5 V
t PLH
t PHL
V CC
– 1.5 V
1.5 V
t PLHD
50%
1.5 V
3.0 V
3.0 V
Figure 2. Common Mode Test
V OD3
t dr
MOTOROLA ANALOG IC DEVICE DATA
58
375
375
[
4.6 V
3.0 V
1.5 V
t PHL
t PLH
3.0 V
3.0 V
3.0 V
+
t df
V CM = 12 to –7.0 V
1.5 V
t PHLD
0 V
1.5 V
50%
0 V
– 1.5 V
V OL
V OH