W42C31-09 Datasheet, PDF (5/7 Pages) Cypress Semiconductor – Spread Spectrum Frequency Timing Generator

W42C31-09
DC Electrical Characteristics: 0°C < T_A < 70°C, V_DD = 5V ±10%
Parameter
Description
Test Condition
Min
Typ
I_DD
Supply Current
30
t_ON
Power Up Time
First locked clock cycle after
Power Good
V_IL (Logic Inputs)
V_IL (CLKIN)
V_IH (Logic Inputs)
V_IH (CLKIN)
V_OL
V_OH
I_IL
I_IH
I_OL
I_OH
C_I
C_I
R_P
Z_OUT
Input Low Voltage
Input Low Voltage
Input High Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
Input Low Current
Input High Current
Output Low Current
Output High Current
Input Capacitance
Input Capacitance
Input Pull-Up Resistor
Clock Output Impedance
I_OL = 25.7mA
I_OH = 118.mA
Note 2
Note 2
@ 0.4V, V_DD = 5V
@ 2.4V, V_DD = 5V
All pins except CLKIN
CLKIN pin only
0.7V_DD
4.2
2.5
24
24
6
500
25
AC Electrical Characteristics: T_A = 0°C to +70°C, V_DD = 3.3V±10%
Symbol
Parameter
Test Condition
Min
Typ
f_IN
f_OUT
t_R
t_F
t_OD
t_ID
t_JCYC
Input Frequency
Output Frequency
Output Rise Time
Output Fall Time
Output Duty Cycle
Input Duty Cycle
Jitter, Cycle-to-Cycle
Harmonic Reduction
Input Clock
30
40
Spread Off
30
40
V, 15-pF load 0.8 – 2.4
2
V, 15-pF load 2.4 – 0.8
2
15-pF load
40
40
250
f_out = 40 MHz, third harmonic
8
measured, reference board,
15-pF load
Max
Unit
45
mA
5
ms
0.15V_DD
V
0.4
V
V
V
0.4
V
V
–100
µA
10
µA
mA
mA
7
pF
10
pF
kΩ
Ω
Max
Unit
55
MHz
55
MHz
5
ns
5
ns
60
%
60
%
300
ps
dB
AC Electrical Characteristics: T_A = 0°C to +70°C, V_DD = 5V±10%
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
f_IN
f_OUT
t_R
t_F
t_OD
t_ID
t_JCYC
Input Frequency
Output Frequency
Output Rise Time
Output Fall Time
Output Duty Cycle
Input Duty Cycle
Jitter, Cycle-to-Cycle
Harmonic Reduction
Input Clock
30
Spread Off
30
V, 15-pF load 0.8 – 2.4
V, 15-pF load 2.4 – 0.8
15-pF load
40
40
f_out = 40 MHz, third harmonic
8
measured, reference board,
15-pF load
40
55
MHz
40
55
MHz
2
5
ns
2
5
ns
60
%
60
%
250
300
ps
dB
5