MC74VCX162244

MOTOROLA

LCX DATA

BR1339 — REV 2

6

DYNAMIC SWITCHING CHARACTERISTICS

TA = +25°C

Symbol

Characteristic

Condition

Typ

Unit

VOLP

Dynamic LOW Peak Voltage

VCC = 1.8V, CL = 30pF, VIH = VCC, VIL = 0V

0.15

V

(Note 6.)

VCC = 2.5V, CL = 30pF, VIH = VCC, VIL = 0V

0.25

VCC = 3.3V, CL = 30pF, VIH = VCC, VIL = 0V

0.35

VOLV

Dynamic LOW Valley Voltage

VCC = 1.8V, CL = 30pF, VIH = VCC, VIL = 0V

–0.15

V

(Note 6.)

VCC = 2.5V, CL = 30pF, VIH = VCC, VIL = 0V

–0.25

VCC = 3.3V, CL = 30pF, VIH = VCC, VIL = 0V

–0.35

VOHV

Dynamic HIGH Valley Voltage

VCC = 1.8V, CL = 30pF, VIH = VCC, VIL = 0V

1.55

V

(Note 7.)

VCC = 2.5V, CL = 30pF, VIH = VCC, VIL = 0V

2.05

VCC = 3.3V, CL = 30pF, VIH = VCC, VIL = 0V

2.65

6. Number of outputs defined as “n”. Measured with “n–1” outputs switching from HIGH–to–LOW or LOW–to–HIGH. The remaining output is

measured in the LOW state.

7. Number of outputs defined as “n”. Measured with “n–1” outputs switching from HIGH–to–LOW or LOW–to–HIGH. The remaining output is

measured in the HIGH state.

CAPACITIVE CHARACTERISTICS

Symbol

Parameter

Condition

Typical

Unit

CIN

Input Capacitance

Note 8.

6

pF

COUT

Output Capacitance

Note 8.

7

pF

CPD

Power Dissipation Capacitance

Note 8., 10MHz

20

pF

8. VCC = 1.8, 2.5 or 3.3V; VI = 0V or VCC.

WAVEFORM 1 – PROPAGATION DELAYS

tR = tF = 2.0ns, 10% to 90%; f = 1MHz; tW = 500ns

VIH

0V

VOH

VOL

Dn

On

tPHL

tPLH

WAVEFORM 2 – OUTPUT ENABLE AND DISABLE TIMES

tR = tF = 2.0ns, 10% to 90%; f = 1MHz; tW = 500ns

VIH

0V

≈ 0V

OEn

On

tPZH

≈ VCC

tPHZ

tPZL

tPLZ

On

Vm

Vm

Vm

Vm

Vm

Vm

Figure 3. AC Waveforms

Vm

VOH

Vy

Vx

VOL

Vm