MC14557BCPG datasheet(4/8 Pages) ONSEMI

No de pièce	MC14557BCPG

Description	1-to-64 Bit Variable Length Shift Register

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MC14557B

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ELECTRICAL CHARACTERISTICS (Voltages Referenced to VSS)

− 55

°C

25

°C

125

°C

Symbol

Characteristic

VDD

Vdc

Min

Max

Min

Typ

(Note 3)

Max

Min

Max

Unit

VOL

Output Voltage

“0” Level

Vin = VDD or 0

5.0

10

15

−

0.05

−

0

0.05

−

0.05

Vdc

VOH

“1” Level

Vin = 0 or VDD

5.0

10

15

4.95

9.95

14.95

−

4.95

9.95

14.95

5.0

10

15

−

4.95

9.95

14.95

−

Vdc

VIL

Input Voltage

“0” Level

(VO = 4.5 or 0.5 Vdc)

(VO = 9.0 or 1.0 Vdc)

(VO = 13.5 or 1.5 Vdc)

5.0

10

15

−

1.5

3.0

4.0

−

2.25

4.50

6.75

1.5

3.0

4.0

−

1.5

3.0

4.0

Vdc

VIH

“1” Level

(VO = 0.5 or 4.5 Vdc)

(VO = 1.0 or 9.0 Vdc)

(VO = 1.5 or 13.5 Vdc)

5.0

10

15

3.5

7.0

11

−

3.5

7.0

11

2.75

5.50

8.25

−

3.5

7.0

11

−

Vdc

IOH

Output Drive Current

(VOH = 2.5 Vdc)

Source

(VOH = 4.6 Vdc)

(VOH = 9.5 Vdc)

(VOH = 13.5 Vdc)

5.0

10

15

–3.0

–0.64

–1.6

–4.2

−

–2.4

–0.51

–1.3

–3.4

–4.2

–0.88

–2.25

–8.8

−

–1.7

–0.36

–0.9

–2.4

−

mAdc

IOL

(VOL = 0.4 Vdc)

Sink

(VOL = 0.5 Vdc)

(VOL = 1.5 Vdc)

5.0

10

15

0.64

1.6

4.2

−

0.51

1.3

3.4

0.88

2.25

8.8

−

0.36

0.9

2.4

−

Iin

Input Current

15

−

±0.1

−

±0.00001

±0.1

−

±1.0

mAdc

Cin

Input Capacitance

(Vin = 0)

−

5.0

7.5

−

pF

IDD

Quiescent Current

(Per Package)

5.0

10

15

−

5.0

10

20

−

0.010

0.020

0.030

5.0

10

20

−

150

300

600

mAdc

IT

Total Supply Current (Notes 4, 5)

(Dynamic plus Quiescent, Per Package)

(CL = 50 pF on all outputs, all buffers switching)

5.0

10

15

IT = (1.75 mA/kHz) f + IDD

IT = (3.50 mA/kHz) f + IDD

IT = (5.25 mA/kHz) f + IDD

mAdc

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

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

°C.

5. To calculate total supply current at loads other than 50 pF: IT(CL) = IT(50 pF) + (CL – 50) Vfk where: IT is in mA (per package), CL in pF,

V = (VDD – VSS) in volts, f in kHz is input frequency, and k = 0.001.

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