CY25818 Datasheet, PDF (4/8 Pages) Cypress Semiconductor – SPREAD SPECTRUM CLOCK GENERATOR

CY25818/19
Maximum Ratings^{[1, 2]}
Supply Voltage (V_DD): ..................................................+ 5.5V
Input Voltage Relative to V_DD: ............................. V_DD + 0.3V
Input Voltage Relative to V_SS: ..............................V_SS + 0.3V
Operating Temperature:.................................... 0°C to +70°C
Storage Temperature:................................ –65°C to + 150°C
Table 4. DC Electrical Characteristics V_DD = 3.3V ±10%, T_A = 0°C to +70°C and C_L = 15 pF (unless otherwise noted)
Parameter
Description
Conditions
Min.
Typ.
Max.
Unit
V_DD
V_INH
V_INM
V_INL
V_OH1
V_OH2
V_OL1
V_OL2
C_IN1
C_IN2
I_DD1
I_DD3
I_DD4
Power Supply Range
Input HIGH Voltage
Input MIDDLE Voltage
Input LOW Voltage
Output HIGH Voltage
Output HIGH Voltage
Output LOW Voltage
Output LOW Voltage
Input Capacitance
Input Capacitance
Power Supply Current
Power Supply Current
Power Supply Current
S0 Input
S0 Input
S0 Input
I_OH = 4 ma, SSCLK and REFCLK
I_OH = 6 ma, SSCLK and REFCLK
I_OL = 4 ma, SSCLK Output
I_OL = 10 ma, SSCLK Output
X_IN (Pin 1) and X_OUT (Pin 8)
All Digital Inputs
F_IN=8 MHz, no load
F_IN=32 MHz, no load
PD#=V_SS
2.97
3.3
3.63
V
0.85 V_DD
V_DD
V_DD
V
0.40 V_DD 0.50 V_DD 0.60 V_DD
V
0.0
0.0
0.15 V_DD
V
2.4
V
2.0
V
0.4
V
1.2
V
6.0
7.5
9.0
pF
3.5
4.5
6.0
pF
10.0
12.5
mA
19.0
23.0
mA
150
250
µA
Table 5. Timing Electrical Characteristics V_DD = 3.3V ±10%, T_A = 0°C to +70°C and C_L = 15 pF (unless otherwise noted)
Parameter
Description
Conditions
Min.
Typ.
Max.
Unit
ICLKFR1
Input Frequency Range CY25818
8
16
MHz
ICLKFR2
Input Frequency Range CY25819
16
32
MHz
trise1
Clock Rise Time
SSCLK and REFCLK, 0.4V to 2.4V
2.0
3.0
4.0
ns
tfall1
Clock Fall Time
SSCLK and REFCLK, 0.4V to 2.4V
2.0
3.0
4.0
ns
CDCin
CDCout
Input Clock Duty Cycle X_IN
Output Clock Duty Cycle SSCLK and REFCLK @ 1.5V
20
50
80
%
45
50
55
%
CCJss
CCJref
Cycle-to-Cycle Jitter
Cycle-to-Cycle Jitter
SSCLK; F_IN = F_OUT= 8–32 MHz
REFCLK; F_IN = F_OUT = 8–32 MHz
250
350
ps
275
375
ps
Ordering Information
Part Number
Package Type
Product Flow
CY25818SC
8-pin SOIC
Commercial, 0° to 70°C
CY25818SCT
8-pin SOIC – Tape and Reel
Commercial, 0° to 70°C
CY25819SC
8-pin SOIC
Commercial, 0° to 70°C
CY25819SCT
8-pin SOIC – Tape and Reel
Commercial, 0° to 70°C
Note:
1. Single Power Supply: The voltage on any input or I/O pin cannot exceed the power pin during power-up.
2. Operation at any Absolute Maximum Rating is not implied.
Document #: 38-07362 Rev. *A
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