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参数资料
| 型号： | IMISC680CYB |
| 元件分类： | 时钟及定时 |
| 英文描述： | LOW SKEW CLOCK DRIVER, PDSO48 |
| 封装： | SSOP-48 |
| 文件页数： | 2/8页 |
| 文件大小： | 109K |
| 代理商： | IMISC680CYB |
SC680C
I
2C System Clock Buffer
Approved Product
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.
Rev.2.3
8/12/98
MILPITAS, CA 95035. TEL: 408-263-6300. FAX 408-263-6571
Page 2 of 8
PIN DESCRIPTION
PIN
No.
Pin
Name
PWR
I/O
TYPE
Description
11
REFIN
VDD
I
PAD
This pin is connected to the input reference clock. This clock
must be in the range of 10.0 to 100.0 Mhz.
4,5
CLK(1:2)
VDD1
O
BUF1
Low skew output clock .
8,9
CLK(3:4)
VDD2
O
BUF1
Low skew output clock .
13, 14
CLK(5:6)
VDD3
O
BUF1
Low skew output clock .
17, 18
CLK(7:8)
VDD4
O
BUF1
Low skew output clock .
21, 28
CLK(9:10)
VDD5
O
BUF1
Low skew output clock .
31, 32
CLK(11:12)
VDD6
O
BUF1
Low skew output clock .
35, 36
CLK(13:14)
VDD7
O
BUF1
Low skew output clock ..
40, 41
CLK(15:16)
VDD8
O
BUF1
Low skew output clock ..
44, 45
CLK(17:18)
VDD9
O
BUF1
Low skew output clock .
38
OE
-
I
PAD
Buffer Output Enable pin. When driven to a logic low level this
pin is used to place all output clocks (CLK1:18} in a tri state
condition. This feature facilitates in production board level
testing to be easily implemented for the clocks that this device
produces. Has internal pull-up resistor.
24
SDATA
-
I/O
PAD
serial data of I
2C 2-wire control interface. Has internal pull-up
resistor.
25
SDCLK
-
I
PAD
Serial clock of I
2C 2-wire control interface. Has internal pull-up
resistor.
6, 10, 15,
19, 22,
30, 34,
39, 43
Vss(1:9)
PWR
-
Ground pins for clock output buffers. These pins must be
returned to the same potential to reduce output clock skew.
3, 7, 12,
16, 20,
33, 37,
42, 46
Vdd(1:9)
-
PWR
-
Power for output clock buffers.
29, 23
Vdd
-
PWR
-
Power for core logic.
26, 27
Vss
-
PWR
-
Ground supply pins for internal lcore logic pins.
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