參數(shù)資料
型號: ID82C82
廠商: Intersil
文件頁數(shù): 3/7頁
文件大?。?/td> 0K
描述: IC DRIVER BUS OCT LATCHING 20DIP
標(biāo)準(zhǔn)包裝: 190
類型: 驅(qū)動器
驅(qū)動器/接收器數(shù): 8/0
電源電壓: 4.5 V ~ 5.5 V
安裝類型: 通孔
封裝/外殼: 20-CDIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 20-CDIP
包裝: 管件
276
Application Information
Decoupling Capacitors
The transient current required to charge and discharge the
300pF load capacitance specified in the 82C82 data sheet is
determined by:
Assuming that all outputs change state at the same time and
that dv/dt is constant;
where tR = 20ns, VCC = 5.0V, CL = 300pF on each of eight
outputs.
IC
L
=
(dv/dt)
(EQ. 1)
IC
L
=
(EQ. 2)
V
CC x 80%
()
tR/tF
-----------------------------------
(EQ. 3)
I = 8 x 300 x 10
-12
()x (5.0V x 0.8)/ 20 x 10
9
() = 480mA
(EQ. 4)
FIGURE 18. SYSTEM EFFECTS OF GATED INPUTS
ADDRESS
ALE
MULTIPLEXED
ICC
BUS
P
N
STB
DATA IN
INTERNAL
DATA
VCC
P
N
VCC
Absolute Maximum Ratings
Thermal Information
82C82
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