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MC14043BF
(Rev.:2000)

CMOS MSI Quad R−S Latches

ON Semiconductor 

MC14043B, MC14044B

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

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Characteristic

VDD

Symbol

Vdc

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Output Rise Time

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTLH = (1.35 ns/pF) CL + 32.5 ns

tTLH = (0.60 ns/pF) CL + 20 ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTLH = (0.40 ns/pF) CL + 20 ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Output Fall Time

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTHL = (1.35 ns/pF) CL + 32.5 ns

tTHL = (0.60 ns/pF) CL + 20 ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTHL = (0.40 ns/pF) CL + 20 ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Propagation Delay Time

tPLH = (0.90 ns/pF) CL + 130 ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPLH = (0.36 ns/pF) CL + 57 ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPLH = (0.26 ns/pF) CL + 47 ns

tPHL = (0.90 ns/pF) CL + 130 ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL = (0.90 ns/pF) CL + 57 ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL = (0.26 ns/pF) CL + 47 ns

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Set, Set Pulse Width

tTLH

5.0

10

15

tTHL

5.0

10

15

tPLH

5.0

10

15

tPHL

5.0

10

15

tW

5.0

10

15

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Reset, Reset Pulse Width

tW

5.0

10

15

ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Three–State Enable/Disable Delay

tPLZ,

5.0

tPHZ,

10

tPZL,

15

tPZH

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

Min

Typ (8.)

Max

Unit

ns

—

100

200

—

50

100

—

40

80

ns

—

100

200

—

50

100

—

40

80

ns

—

175

350

—

75

175

—

60

120

—

175

350

ns

—

75

175

—

60

120

200

80

100

40

70

30

—

ns

—

—

200

80

100

40

70

30

—

ns

—

—

—

150

300

ns

—

80

160

—

55

110

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

20 ns

90%

SET 10%

20 ns

RESET

Q

MC14043B

50% 90%

10%

tTHL

10%

tPHL

20 ns

AC WAVEFORMS

20 ns

VDD

50%

VSS

VDD

VSS

tTLH

90%

VOH

50%

VOL

tPLH

20 ns

SET 50%

RESET

Q

MC14044B

20 ns

90%

10%

20 ns

50%

tTLH

50%

90%

tPLH

VDD

VSS

20 ns

90% VDD

10%

VSS

tTHL

VOH

10%

VOL

tPHL

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