參數(shù)資料
型號(hào): CY8C27143-24PXI
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: 外設(shè)及接口
英文描述: PSoC Mixed Signal Array
中文描述: MULTIFUNCTION PERIPHERAL, PDIP8
封裝: 0.300 INCH, LEAD FREE, PLASTIC, DIP-8
文件頁(yè)數(shù): 32/44頁(yè)
文件大?。?/td> 542K
代理商: CY8C27143-24PXI
August 3, 2004
Document No. 38-12012 Rev. *I
32
CY8C27x43 Final Data Sheet
3. Electrical Specifications
3.4.4
AC Digital Block Specifications
The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and -40
°
C
T
A
85
°
C, or 3.0V to 3.6V and -40
°
C
T
A
85
°
C, respectively. Typical parameters apply to 5V and 3.3V at 25
°
C and
are for design guidance only.
Table 3-22. AC Digital Block Specifications
Function
Description
Min
Typ
Max
Units
Notes
All
Functions
Maximum Block Clocking Frequency (> 4.75V)
49.2
4.75V < Vdd < 5.25V.
Maximum Block Clocking Frequency (< 4.75V)
24.6
3.0V < Vdd < 4.75V.
Timer
Capture Pulse Width
50
a
a. 50 ns mnimuminput pulse width is based on the input synchronizers running at 24 MHz (42 ns nomnal period).
b. Refer to the
Ordering Informationchapter on page42
.
ns
Maximum Frequency, No Capture
49.2
MHz
4.75V < Vdd < 5.25V.
Maximum Frequency, With Capture
24.6
MHz
Counter
Enable Pulse Width
50
a
ns
Maximum Frequency, No Enable Input
49.2
MHz
4.75V < Vdd < 5.25V.
Maximum Frequency, Enable Input
24.6
MHz
Dead Band
Kill Pulse Width:
Asynchronous Restart Mode
20
ns
Synchronous Restart Mode
50
a
ns
Disable Mode
50
a
ns
Maximum Frequency
49.2
MHz
4.75V < Vdd < 5.25V.
CRCPRS
(PRS Mode)
Maximum Input Clock Frequency
49.2
MHz
4.75V < Vdd < 5.25V.
CRCPRS
(CRC Mode)
Maximum Input Clock Frequency
24.6
MHz
SPIM
Maximum Input Clock Frequency
8.2
MHz
Maximum data rate at 4.1 MHz due to 2 x over
clocking.
SPIS
Maximum Input Clock Frequency
4.1
ns
Width of SS_ Negated Between Transmissions
50
a
ns
Transmitter
Maximum Input Clock Frequency
b
Silicon A
Silicon B
16.4
24.6
MHz
MHz
Maximum data rate at 2.05 MHz due to 8 x over
clocking.
Maximum data rate at 3.08 MHz due to 8 x over
clocking.
Receiver
Maximum Input Clock Frequency
b
Silicon A
Silicon B
16.4
24.6
MHz
MHz
Maximum data rate at 2.05 MHz due to 8 x over
clocking.
Maximum data rate at 3.08 MHz due to 8 x over
clocking.
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