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Cypress Semiconductor Electronic Components Datasheet

CY26200 Datasheet

T1/E1 Clock Generator

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CY26200
T1/E1 Clock Generator
Features
• Integrated phase-locked loop (PLL)
• Low-jitter, high-accuracy outputs
• 3.3V operation
Part Number Outputs
CY26200
1
Input Frequency Range
19.44 MHz
Logic Block Diagram
Benefits
• High-performance PLL tailored for T1/E1 clock genera-
tion
• Meets critical timing requirements in complex system
designs
• Enables application compatibility
Output Frequencies
1.544 MHz/2.048 MHz (selectable)
19.44 XIN
XOUT
OSC
QΦ
VCO
P
PLL
OUTPUT
DIVIDERS
CLK1
AVDD AVSS VDD VSS
Pin Configuration
CY26200
8-pin SOIC
XIN
AVDD
FS
AVSS
1
2
3
4
8 XOUT
7 VSS
6 CLK1
5 VDD
Table 1. CY26200 Frequency Select Option
Frequency Select
0
1
CLK1
1.544
2.048
Unit
MHz
MHz
www.DataSheet4U.com
Cypress Semiconductor Corporation • 198 Champion Court • San Jose, CA 95134-1709 • 408-943-2600
Document #: 38-07335 Rev. *B
Revised October 3, 2005


Cypress Semiconductor Electronic Components Datasheet

CY26200 Datasheet

T1/E1 Clock Generator

No Preview Available !

CY26200
Pin Summary
Pin Name
XIN
AVDD
FS
AVSS
VDD
CLK1
VSS
XOUT[1]
Pin Number
Pin Description
1 19.44-MHz Reference Input
2 Analog Voltage Supply
3 Frequency Select – see Table 1
4 Analog Ground
5 Voltage Supply
6 1.544-MHz/2.048-MHz Clock Output
7 Ground
8 Reference Output
Absolute Maximum Conditions
Parameter
Description
VDD Supply Voltage
TS Storage Temperature[2]
TJ Junction Temperature
Digital Inputs
Digital Outputs Referred to VDD
Electrostatic Discharge
Min.
–0.5
–65
VSS – 0.3
VSS – 0.3
2000
Max.
7.0
125
125
VDD + 0.3
VDD + 0.3
Unit
V
°C
°C
V
V
V
Recommended Operating Conditions
Parameter
Description
VDD/AVDD
TA
TA
CLOAD
fREF
tPU
Operating Voltage
Ambient Temperature (Commercial)
Ambient Temperature (Industrial)
Max. Load Capacitance
Reference Frequency
Power-up time for all VDDs to reach
minimum specified voltage (power
ramps must be monotonic)
Min.
3.135
0
–40
0.05
Typ.
3.3
19.44
Max.
3.465
70
+85
15
500
Unit
V
°C
°C
pF
MHz
ms
DC Electrical Characteristics (Commercial)
Parameter
Description
Conditions
IOH
Output High Current
VOH = VDD – 0.5, VDD = 3.3V
IOL
Output Low Current
VOL = 0.5, VDD = 3.3V
CIN Input Capacitance
IIZ Input Leakage Current
IDD Supply Current
Sum of Core and Output Current
DC Electrical Characteristics (Industrial)
Parameter
Description
Conditions
www.DIaOtHaSheet4U.coOmutput High Current
IOL Output Low Current
CIN Input Capacitance
IIZ Input Leakage Current
IDD Supply Current
Notes:
1. Float XOUT if XIN is externally driven
2. Rated for 10 years
VOH = VDD – 0.5, VDD = 3.3V
VOL = 0.5, VDD = 3.3V
Sum of Core and Output Current
Min. Typ. Max. Unit
12 24
mA
12 24
mA
7 pF
5 µA
20 mA
Min. Typ. Max. Unit
11 24
mA
11 24
mA
7 pF
5 µA
25 mA
Document #: 38-07335 Rev. *B
Page 2 of 5


Part Number CY26200
Description T1/E1 Clock Generator
Maker Cypress Semiconductor
Total Page 5 Pages
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