參數(shù)資料
型號: CY24712
英文描述: Clocks and Buffers
中文描述: 時鐘和緩沖器
文件頁數(shù): 2/5頁
文件大?。?/td> 88K
代理商: CY24712
CY24712
Document #: 38-07319 Rev. *B
Page 2 of 5
Summary
Pin Name
XIN
VDD
VCXO
VSS
CLK_B
CLK_A
CLK_C
XOUT
[1]
Pin Number
1
2
3
4
5
6
7
8
Pin Description
Reference Crystal Input
3.3V Voltage Supply
Input Analog Control for VCXO
Ground
13.5-MHz Clock Output
11.0592-MHz Clock Output
27-MHz Clock Output
Reference Crystal Output
Pullable Crystal Specifications
Parameter
Description
Min.
Typ.
14
Max.
Unit
pF
CRYSTAL
Load
C0/C1
ESR
T
o
Acc
init
Stability
Load Capacitance
240
35
70
°
C
ppm
ppm
Operating Temperature
Initial Accuracy
Temperature plus Aging Stability
0
±30
±80
Absolute Maximum Conditions
Parameter
V
DD
T
S
T
J
Description
Min.
0.5
65
Max.
7.0
125
125
V
DD
+ 0.3
V
DD
+ 0.3
2000
7.0
Unit
V
°
C
°
C
V
V
V
V
Supply Voltage
Storage Temperature
[2]
Junction Temperature
Digital Inputs
Digital Outputs referred to V
DD
Electrostatic Discharge
Analog Input
V
SS
0.3
V
SS
0.3
0.5
Recommended Operating Conditions
Parameter
V
DD
T
A
C
LOAD
f
REF
Description
Min.
3.135
0
Typ.
3.3
Max.
3.465
70
15
Unit
V
°
C
pF
MHz
Operating Voltage
Ambient Temperature
Max. Load Capacitance
Reference Frequency
Power-up time for all VDD's to
reach minimum specified voltage
(power ramps must be monotonic)
27
t
PU
0.05
500
ms
DC Electrical Characteristics
Parameter
I
OH
I
OL
C
IN
I
IZ
f
XO
V
VCXO
I
VDD
Description
Conditions
Min.
12
12
Typ.
24
24
Max.
Unit
mA
mA
pF
μ
A
ppm
V
mA
Output High Current
Output Low Current
Input Capacitance
Input Leakage Current
VCXO pullability range
[3]
VCXO input range
Supply Current
V
OH
= V
DD
0.5, V
DD
= 3.3V
V
OL
= 0.5, V
DD
= 3.3V
7
5
±150
0
V
DD
36
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