參數(shù)資料
型號: NB3N65027DTGEVB
廠商: ON Semiconductor
文件頁數(shù): 2/7頁
文件大小: 0K
描述: BOARD EVAL NB3N65027 CLK SYNTH
設(shè)計資源: NB3N65027DTGEVB Gerber Zip
標(biāo)準(zhǔn)包裝: 1
主要目的: 計時,時鐘發(fā)生器
嵌入式:
已用 IC / 零件: NB3N65027
主要屬性: 3 輸入,6 輸出
已供物品:
其它名稱: NB3N65027DTGEVB-ND
NB3N65027DTGEVBOS
NB3N65027
http://onsemi.com
2
13
4
12
5
11
9
10
3
1
14
2
7
15
6
Figure 2. Pinout: QSOP20 (Top View)
20
19
18
17
16
ACS0
X2
X1/ICLK
VDD
ACS1
GND
CLKC1
CLKC2
CLKB2
CLKB1
BCS1
BCS0
REFOUT
CLKA1
VDD
OE
GND
CLKA2
NC
CCS
Table 1. PIN DESCRIPTION (Note 1)
Pin Number
Pin Name
Pin Type
Pin Description
1
ACS0
TriLevel Input
A Clock Select 0. Selects outputs on CLKA1 and CLKA2 per table on page 3.
2
X2
Input
Crystal connection. Connect to a fundamental crystal or leave unconnected for a clock
input.
3
X1/ICLK
Input
Crystal or Clock input connection. If a clock input is used, drive it into X1 and leave X2
unconnected.
4
VDD
Power
Connect to +3.3 V. Must be the same as pin 16.
5
ACS1
TwoLevel Input
A Clock Select 1. Selects outputs on CLKA1 and CLKA2 per table on page 3. Internal
pullup.
6
GND
Power
Connect to ground.
7
CLKC1
Output
Output Clock C1. Depends on setting of CCS per table on page 3.
8
CLKC2
Output
Output Clock C2. Depends on setting of CCS per table on page 3. Same as CLKC1.
9
CLKB2
Output
Output Clock B2. Depends on setting of BCS1, 0 per table on page 3.
10
CLKB1
Output
Output Clock B1. Depends on setting of BCS1, 0 per table on page 3.
11
CCS
TriLevel Input
Clock C select pin. Selects outputs on CLKC1 and CLKC2 per table on page 3.
12
NC
No Connect
13
CLKA2
Output
Output Clock A2. Depends on setting of ACS1, 0 per table on page 3.
14
GND
Power
Connect to ground.
15
OE
Input
Output enable. Tristates all outputs when low. Internal pullup.
16
VDD
Power
Connect to +3.3 V. Must be the same as pin 4.
17
CLKA1
Output
Output Clock A1. Depends on setting of ACS1, 0 per table on page 3.
18
REFOUT
Output
Buffered reference clock output. Same frequency as crystal or clock input.
19
BCS0
TriLevel Input
B Clock Select 0. Selects outputs on CLKB1 and CLKB2 per table on page 3.
20
BCS1
TwoLevel Input
B Clock Select 1. Selects outputs on CLKB1 and CLKB2 per table on page 3. Internal
pullup.
1. All VDD and GND pins must be externally connected to a power supply for proper operation.
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