MC145149 View Datasheet(PDF) - Motorola => Freescale
Part Name
Description
MFG CO.
MC145149 Datasheet PDF : 12 Pages
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FREQUENCY CHARACTERISTICS (Voltages Referenced to VSS, CL = 50 pF, Input tr = tf = 10 ns unless otherwise indicated)
Symbol
Parameter
Test Conditions
VDD
V
– 40°C
Min Max
25°C
Min Max
85°C
Min Max
fi
Input Frequency
(fin, OSCin)
R ≥ 8, A ≥ 0, N ≥ 8
Vin = 500 mV p–p
ac coupled sine wave
3
—
6
—
6
—
6
5
—
15
—
15
—
15
9
—
15
—
15
—
15
R ≥ 8, A ≥ 0, N ≥ 8
Vin = VDD to VSS
dc coupled square wave
3
—
6
—
6
—
6
5
—
15
—
15
—
15
9
—
15
—
15
—
15
Unit
MHz
MHz
SWITCHING WAVEFORMS
tTLH
tTHL
ANY
OUTPUT
90%
10%
VDD
fin 50%
VSS
tPLH
tPHL
MC
50%
Figure 1.
Figure 2.
DATA
50%
tsu
th
CLK 50% LAST
CLK
tsu
ENB
50%
VDD
VSS
VDD
FIRST
CLK
VSS
trec
VDD
VSS
PREVIOUS DATA
LATCHED
Figure 3.
tr
ANY
INPUT
90%
10%
Figure 4.
tf
VDD
VSS
tw
ENB, CLK
50%
VDD
VSS
Figure 5.
OUTPUT
DEVICE
UNDER
CL*
TEST
* Includes all probe and fixture capacitance.
Figure 6.
MOTOROLA
MC145149
5
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