參數(shù)資料
型號(hào): SY55852UKITR
廠商: MICREL INC
元件分類: 通用總線功能
英文描述: D FLIP-FLOP
中文描述: 55852 SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO10
封裝: MSOP-10
文件頁數(shù): 3/7頁
文件大?。?/td> 63K
代理商: SY55852UKITR
3
SuperLite
SY55852U
Micrel, Inc.
M9999-110705
hbwhelp@micrel.com or (408) 955-1690
FUNCTIONAL DESCRIPTION
V
CC
NC
X
/X
Figure 1. Hard Wiring a Logic
1
(1)
Note 1.
X is either D, CLK, R input. /X is either /D, /CLK, /R input.
NC
V
CC
> 3.0V
NC
X
/X
NC
V
CC
3.0V
X
/X
V
CC
Figure 2. Hard Wiring a Logic
0
(1)
Establishing Static Logic Inputs
The true pin of an input pair is internally biased to ground
through a 75k
resistor. The complement pin of an input
pair is internally biased halfway between V
CC
and ground
by a voltage divider consisting of two 75k
resistors. To
keep an input at static logic zero at V
CC
> 3.0V, leave both
inputs unconnected. For V
CC
3.0V, connect the
complement inputs to V
CC
and leave the true inputs
unconnected. To make an input static logic one, connect
the true input to V
CC
, leave the complement input
unconnected. These are the only safe ways to cause inputs
to be at a static value. In particular, no input pin should be
directly connected to ground. All NC (no connect) pins
should be unconnected.
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