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W42C31-09
5
DC Electrical Characteristics: 0°C < TA < 70°C, VDD = 5V ±10%
Parameter
Description
Test Condition
Min
Typ
Max
Unit
IDD
Supply Current
30
45
mA
tON
Power Up Time
First locked clock cycle after
Power Good
5ms
VIL (Logic Inputs)
Input Low Voltage
0.15VDD
V
VIL (CLKIN)
Input Low Voltage
0.4
V
VIH (Logic Inputs)
Input High Voltage
0.7VDD
V
VIH (CLKIN)
Input High Voltage
4.2
V
VOL
Output Low Voltage
IOL = 25.7mA
0.4
V
VOH
Output High Voltage
IOH = 118.mA
2.5
V
IIL
Input Low Current
Note 2
–100
µA
IIH
Input High Current
Note 2
10
µA
IOL
Output Low Current
@ 0.4V, VDD = 5V
24
mA
IOH
Output High Current
@ 2.4V, VDD = 5V
24
mA
CI
Input Capacitance
All pins except CLKIN
7
pF
CI
Input Capacitance
CLKIN pin only
6
10
pF
RP
Input Pull-Up Resistor
500
k
Ω
ZOUT
Clock Output Impedance
25
Ω
AC Electrical Characteristics: TA = 0°C to +70°C, VDD = 3.3V±10%
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
fIN
Input Frequency
Input Clock
30
40
55
MHz
fOUT
Output Frequency
Spread Off
30
40
55
MHz
tR
Output Rise Time
V, 15-pF load 0.8 – 2.4
2
5
ns
tF
Output Fall Time
V, 15-pF load 2.4 – 0.8
2
5
ns
tOD
Output Duty Cycle
15-pF load
40
60
%
tID
Input Duty Cycle
40
60
%
tJCYC
Jitter, Cycle-to-Cycle
250
300
ps
Harmonic Reduction
fout = 40 MHz, third harmonic
measured, reference board,
15-pF load
8dB
AC Electrical Characteristics: TA = 0°C to +70°C, VDD = 5V±10%
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
fIN
Input Frequency
Input Clock
30
40
55
MHz
fOUT
Output Frequency
Spread Off
30
40
55
MHz
tR
Output Rise Time
V, 15-pF load 0.8 – 2.4
2
5
ns
tF
Output Fall Time
V, 15-pF load 2.4 – 0.8
2
5
ns
tOD
Output Duty Cycle
15-pF load
40
60
%
tID
Input Duty Cycle
40
60
%
tJCYC
Jitter, Cycle-to-Cycle
250
300
ps
Harmonic Reduction
fout = 40 MHz, third harmonic
measured, reference board,
15-pF load
8dB
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