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DS14C88T Datasheet, PDF (3/6 Pages) National Semiconductor (TI) – QUAD CMOS Line Driver
Switching Characteristics
Over Recommended Operating Conditions unless otheriwse specified (Figures 2 and 3 ) (Notes 5 and 6)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
tPLH
Propagation Delay
Low to High
Va e a4 5V Vb e b4 5V
Va e a9 0V Vb e b9 0V
15
60
ms
12
50
ms
Va e a12V Vb e b12V
12
40
ms
tPHL
Propagation Delay
High to Low
Va e a4 5V Vb e b4 5V
Va e a9 0V Vb e b9 0V
15
60
ms
1 35
50
ms
Va e a12V Vb e b12V
13
40
ms
tr
Rise Time (Note 7)
02
10
ms
tf
Fall Time (Note 7)
02
10
ms
tsk
Typical Propagation
Va e a4 5V Vb e b4 5V
250
ns
Delay Skew
Va e a9 0V Vb e b9 0V
200
ns
Va e a12V Vb e b12V
150
ns
SR
Output Slew Rate
RL e 3 kX to 7 kX
(Note 7)
CL e 15 pF to 2500 pF
30
V ms
Note 1 ‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaranteed They are not meant to imply that the devices
should be operated at these limits The tables of ‘‘Electrical Characteristics’’ specify conditions for device operation
Note 2 Derate N Package 12 1 mW C J Package 12 9 mW C and M Package 8 5 mW C above a25 C
Note 3 IOSa and IOSb values are for one output at a time If more than one output is shorted simultaneously the device dissipation may be exceeded
Note 4 Power supply (Va Vb) and GND pins are connected to ground for the Output Resistance Test (RO)
Note 5 AC input test waveforms for test purposes tr e tf s 20 ns VIH e 2V VIL e 0 8V (0 6V at Va e 4 5V Vb e b4 5V)
Note 6 Input rise and rall times must not exceed 5 ms
Note 7 The output slew rate rise time and fall time are measured from the a3 0V to the b3 0V level on the output waveform
Note 8 CL include jig and probe capacitances
Note 9 ESD Rating (HBM 1 5 kX 100 pF) t 1 0 kV
3
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