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MC14049UBCP

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MC14049UB

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ SWITCHING CHARACTERISTICS (7.) (CL = 50 pF, TA = 25_C)

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Characteristic

VDD

Symbol

Vdc

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Output Rise Time

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTLH = (0.8 ns/pF) CL + 60 ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTLH = (0.3 ns/pF) CL + 35 ns

tTLH = (0.27 ns/pF) CL + 26.5 ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Output Fall Time

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTHL = (0.3 ns/pF) CL + 25 ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTHL = (0.12 ns/pF) CL + 14 ns

tTHL = (0.1 ns/pF) CL + 10 ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Propagation Delay Time

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPLH = (0.38 ns/pF) CL + 61 ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPLH = (0.20 ns/pF) CL + 30 ns

tPLH = (0.11 ns/pF) CL + 24.5 ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Propagation Delay Time

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL = (0.38 ns/pF) CL + 11 ns

tPHL = (0.12 ns/PF) CL + 9 ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL = (0.11 ns/pF) CL + 4.5 ns

tTLH

5.0

10

15

tTHL

5.0

10

15

tPLH

5.0

10

15

tPHL

5.0

10

15

Min

Typ (8.)

Max

Unit

ns

—

100

160

—

50

100

—

40

60

ns

—

40

60

—

20

40

—

15

30

ns

—

80

120

—

40

65

—

30

50

ns

—

30

60

—

15

30

—

10

20

7. The formulas given are for the typical characteristics only at 25_C.

8. Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.

18

15 VDD = 15 Vdc

10 VDD = 10 Vdc

5 VDD = 5 Vdc

– 55°C

+125°C

5

10

15

18

Vin, INPUT VOLTAGE (Vdc)

Figure 1. Typical Voltage Transfer Characteristics versus Temperature

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