74VCX16838 datasheet(5/7 Pages) FAIRCHILD

tên linh kiện	74VCX16838

Giải thích chi tiết về linh kiện	Low Voltage 16-Bit Selectable Register/Buffer with 3.6V Tolerant Inputs and Outputs

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AC Electrical Characteristics (Note 8)

Note 8: For CL = 50PF, add approximately 300 ps to the AC maximum specification.

Note 9: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The

specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH).

Extended AC Electrical Characteristics (Note 10)

Note 10: This parameter is guaranteed by characterization but not tested.

Dynamic Switching Characteristics

Capacitance

Symbol

Parameter

TA = −40°C to +85°C, CL = 30 pF, RL = 500Ω

Units

VCC = 3.3V ± 0.3V

VCC = 2.5V ± 0.2V

VCC = 1.8V ± 0.15V

Min

Max

Min

Max

Min

Max

fMAX

Maximum Clock Frequency

250

200

100

MHz

tPHL, tPLH

Prop Delay In to On

(REGE

= 0)

0.8

2.5

1.0

3.5

1.5

7.0

ns

tPHL, tPLH

Prop Delay CP to On

(REGE

= 1)

0.8

3.0

1.0

4.0

1.5

8.0

ns

tPHL, tPLH

Prop Delay REGE to On

0.8

3.0

1.0

4.0

1.5

8.0

ns

tPZL, tPZH

Output Enable Time

0.8

3.5

1.0

4.7

1.5

9.4

ns

tPLZ, tPHZ

Output Disable Time

0.8

3.5

1.0

3.9

1.5

7.0

ns

tS

Setup Time

1.0

2.5

ns

tH

Hold Time

0.7

1.0

ns

tW

Pulse Width

1.5

4.0

ns

tOSHL

Output to Output Skew

(Note 9)

0.5

0.75

ns

tOSLH

Symbol

Parameter

TA = −0°C to +85°C, RL = 500Ω VCC = 3.3V ± 0.3V

Units

CL = 50 pF

Min

Max

tPHL, tPLH

Prop Delay In to On (REGE = 0)

1.0

2.8

ns

tPHL, tPLH

Prop Delay CP to On (REGE = 1)

1.4

3.3

ns

tPHL, tPLH

Prop Delay REGE to On

1.0

3.3

ns

tPZL, tPZH

Output Enable Time

1.0

3.8

ns

tPLZ, tPHZ

Output Disable Time

1.0

3.8

ns

tS

Setup Time

1.0

ns

tH

Hold Time

0.7

ns

Symbol

Parameter

Conditions

VCC

(V)

TA = +25°C

Units

Typical

VOLP

Quiet Output Dynamic Peak VOL

CL = 30 pF, VIH = VCC, VIL = 0V

1.8

0.25

V

2.5

0.6

3.3

0.8

VOLV

Quiet Output Dynamic Valley VOL

CL = 30 pF, VIH = VCC, VIL = 0V

1.8

−0.25

V

2.5

−0.6

3.3

−0.8

VOHV

Quiet Output Dynamic Valley VOH

CL = 30 pF, VIH = VCC, VIL = 0V

1.8

1.5

V

2.5

1.9

3.3

2.2

Symbol

Parameter

Conditions

TA = +25°C

Units

Typical

CIN

Input Capacitance

VCC = 1.8V, 2.5V or 3.3V, VI = 0V or VCC

6pF

COUT

Output Capacitance

VI = 0V or VCC, VCC = 1.8V, 2.5V or 3.3V

7

pF

CPD

Power Dissipation Capacitance

VI = 0V or VCC, f = 10 MHz,

20

pF

VCC = 1.8V, 2.5V or 3.3V

Số phần tương tự - 74VCX16838

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