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參數(shù)資料
| 型號(hào)： | CY28159 |
| 英文描述： | Clocks and Buffers |
| 中文描述： | 時(shí)鐘和緩沖器 |
| 文件頁(yè)數(shù)： | 8/13頁(yè) |
| 文件大?。?/td> | 144K |
| 代理商： | CY28159 |
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CY28159
Document #: 38-07118 Rev. *A
Page 8 of 13
Maximum Ratings
[5]
Input Voltage Relative to V
SS
:...............................V
SS
– 0.3V
Input Voltage Relative to V
DDQ
or AV
DD
: ............. V
DD
+ 0.3V
Storage Temperature: ................................–65
°
C to + 150
°
C
Operating Temperature:....................................0
°
C to +70
°
C
Maximum ESD.............................................................2000V
Maximum Power Supply:................................................5.5V
This device contains circuitry to protect the inputs against
damage due to high static voltages or electric field. However,
precautions should be take to avoid application of any voltage
higher than the maximum rated voltages to this circuit. For
proper operation, V
IN
and V
OUT
should be constrained to the
range.
V
SS
< (V
IN
or V
OUT
)< V
DD
Unused inputs must always be tied to an appropriate logic volt-
age level (either V
SS
or V
DD
).
Notes:
5.
6.
7.
8.
The voltage on any input or I/O pin canno t exceed th power pin during power-up. Power supply sequencing is NOT required.
Applicable to input signals: Sel100/133, Sel(0:1)), Spread#, PWRDN#, Mult(0:1)
Although internal pull-up or pull-down resistors have a typical value of 250k, this value may vary between 200k and 500k.
All outputs loaded as per
Table 3
.
DC Parameters
(V
DD
= V
DDA
= 3.3V±5%, T
A
= 0°C to +70°C)
Parameter
Description
Conditions
Min.
Typ.
Max.
Unit
VIL1
Input Low Voltage
Note 6
0.8
Vdc
VIH1
Input High Voltage
2.0
Vdc
IIL
Input Low Current (@V
IN
–V
DD
)
Input High Current (@V
IN
–V
DD
)
nput Low Current (@V
IN
–V
SS
)
Input High Current (@V
IN
–V
SS
)
Three-State leakage current
For internal pull-up resistors
[6]
–16
–4
μ
A
μ
A
μ
A
μ
A
μ
A
IIH
0
5
IIL
For internal pull-down resistors
[6]
0
IIH
4
16
Ioz
10
Idd
Static Supply Current
PwrDwn = Low
133 MHz CPU
[8]
80
mA
Isdd
Dynamic Supply Current
200
mA
Cin
Input Pin Capacitance
5
pF
Cout
Output Pin Capacitance
6
pF
Lpin
Pin Inductance
7
nH
Cxtal
Crystal Pin Capacitance
Measured from Pin to Ground.
34
36
38
pH
Txs
Crsytal Startup Time
From stable 3.3V power supply
40
μ
S
Rpi
Internal Pull-up and Pull-down Re-
sistor Value
[7]
200
250
500
k
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