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参数资料
| 型号： | CY2081SC-XXX |
| 厂商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分类： | XO, clock |
| 英文描述： | Three-PLL General-Purpose EPROM-Programmable Clock Generator |
| 中文描述： | 100 MHz, OTHER CLOCK GENERATOR, PDSO8 |
| 封装： | 0.150 INCH, SOIC-8 |
| 文件页数： | 2/6页 |
| 文件大小： | 111K |
| 代理商： | CY2081SC-XXX |
CY2081
Document #: 38-07136 Rev. **
Page 2 of 6
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Supply Voltage...............................................
–
0.5V to +7.0V
DC Input Voltage......................................
–
0.5V to V
DD
+0.5V
Storage Temperature .................................
–
65
°
C to +150
°
C
Junction Temperature...................................................150
°
C
Static Discharge Voltage ...........................................>2000V
(per MIL-STD-883, Method 3015)
Pin Summary
Name
CLKA
GND
XTALIN
[1]
XTALOUT
[1,2]
CLKB
CLKC
V
DD
OE / PD / FS / SUSPEND 8
Number
1
2
3
4
5
6
7
Description
Configurable Clock Output
Ground
Reference Crystal Input or External Reference Clock Input
Reference Crystal Feedback
Configurable Clock Output
Configurable Clock Output
Voltage Supply
Output control pin; either active-HIGH Output Enable, active-LOW power down, CLKA
Frequency Select, or active-LOW Suspend input
Operating Conditions
[3]
Parameter
V
DD
T
A
C
L
f
REF
f
REF
Description
Min.
4.5 (3.0)
0
Max.
5.5 (3.6)
70
25 (15)
25.0
30.0
Unit
V
°
C
pF
MHz
MHz
Supply Voltage
Operating Temperature, Ambient
Max. Load Capacitance per output
External Reference Crystal
External Reference Clock
[4, 5]
10.0
1.0
Electrical Characteristics
V
DD
= 5V (3.3V)
±
10%, T
A
= 0
°
C to +70
°
C
Parameter
Description
V
OH
HIGH-Level Output Voltage
V
OL
LOW-Level Output Voltage
V
IH
V
IL
I
IH
Input HIGH Current
I
IL
Input LOW Current
I
OZ
Output Leakage Current
I
DD
Conditions
Min.
2.4
Typ.
Max.
Unit
V
V
V
V
μ
A
μ
A
μ
A
mA
I
OH
=
–
4.0 mA
I
OL
= 4.0 mA
Except Crystal Pins
Except Crystal Pins
V
IN
= V
DD
–
0.5V
V
IN
= 0.5V
Three State Outputs
V
DD
= V
DD
max. 5V (3.3V) operation, C
L
= 25 pF (15 pF)
Power-down Active, 5V Operation
0.4
HIGH-Level Input Voltage
[6]
LOW-Level Output Voltage
[6]
2.0
0.8
150
150
250
60 (40)
<100
<100
V
DD
Supply Current
[7]
40 (24)
I
DDS
V
DD
Power Supply Current in
Power-down Mode
100
200
μ
A
Notes:
1.
2.
3.
4.
5.
6.
7.
For best accuracy, use a parallel-resonant crystal, C
=17 pF.
Float XTALOUT pin if XTALIN is driven by reference clock (as opposed to an external crystal).
Electrical parameters are guaranteed with these operating conditions. Values for 3.3V operation are shown in parentheses.
External input reference clock must have a duty cycle between 40% and 60%, measured at V
/2.
Please refer to application note
“
Crystal Oscillator Topics
”
for information on AC-coupling the external input reference clock.
Xtal inputs have CMOS thresholds.
Load = max, typical configuration, f
REF
= 14.318 MHz. Specific configurations may vary.
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