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參數(shù)資料
| 型號： | CY2081SL |
| 英文描述： | Interface IC |
| 中文描述： | 接口IC |
| 文件頁數(shù)： | 2/6頁 |
| 文件大小： | 73K |
| 代理商： | CY2081SL |
CY2081A
2
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
Operating Conditions
[3]
Parameter
Storage Temperature .................................
–
65
°
C to +150
°
C
Max. Soldering Temperature (10 sec.) .........................260
°
C
Junction Temperature...................................................150
°
C
Static Discharge Voltage ...........................................>2000V
(per MIL-STD-883, Method 3015)
Pin Summary
Name
Number
Description
CLKA
1
Configurable clock output
GND
XTALIN
[1]
XTALOUT
[1, 2]
2
Ground
3
Reference Crystal Input or External Reference Clock Input
4
Reference Crystal Feedback
CLKB
5
Configurable clock output
CLKC
6
Configurable clock output
V
DD
OE / PD / FS / SUSPEND
7
Voltage Supply
8
Output control pin; either active-HIGH Output Enable, active-LOW power down, CLKA
Frequency Select, or active-LOW Suspend input
Description
Min.
Max.
Unit
V
DD
T
A
C
L
f
REF
f
REF
Supply Voltage
4.5 (3.0)
5.5 (3.6)
V
°
C
pF
Operating Temperature, Ambient
0
70
Max. Load Capacitance per output
25 (15)
External Reference Crystal
External Reference Clock
[4, 5]
10.0
25.0
MHz
1.0
30.0
MHz
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
I
OH
=
–
4.0 mA
I
OL
= 4.0 mA
Except Crystal Pins
0.4
V
HIGH-Level Input Voltage
[6]
LOW-Level Output Voltage
[6]
2.0
V
Except Crystal Pins
0.8
V
μ
A
μ
A
μ
A
mA
V
IN
= V
DD
–
0.5V
V
IN
= 0.5V
Three State Outputs
<100
150
<100
150
250
V
DD
Supply Current
[7]
V
DD
= V
DD
max. 5V (3.3V) operation,
C
L
= 25 pF (15 pF)
Powerdown Active, 5V Operation
40 (24)
60 (40)
I
DDS
V
DD
Power Supply Current in
Powerdown Mode
100
200
μ
A
Notes:
1.
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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