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MC146818AS View Datasheet(PDF) - Motorola => Freescale

Part Name
Description
View to exact match
MC146818AS
Motorola
Motorola => Freescale Motorola
MC146818AS Datasheet PDF : 20 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
)C ELECTRICAL CHARACTERISTICS (vD D = 3 Vdc, vs s = O Vdc, TA = Tl to TH unless otherwise noted)
Characteristics
I Symbol I Min I Max I Unit I
Frequency of Operation
Output Voltage
lLoad< lOpA
fosc
32.768
32.768
kHz
vOL
0.1
v
vOH
VDD– O.1
IDD – Bus Idle
CKOUT=fosc, CL= 15 pF; SOW Disabled, STBY=O.2 V; CL (OSC2)= 10 pF
.\,
fosc=32.76B kHz
IDD – Quiescent
IDD3
IDD4
50
A&fi%$k
50
$“’:#$,“~{!?,.
fosc= DC; OSC1 = DC;
All Other lnpUtS=vDD–0.2
V;
NO Clock
Output High Voltege
...,.\ik,.,;.~.:.\s#.:,.,t~,‘.>.:,~..~.‘$:~.~.*.,+$,,+.,~...i:”
i’~t”-.>*.,,,+-,>.,.,/.,%)$
(l Load= – 0.25 mA, All Outputs)
vOH
2.7 t +?’+’~’’t;;k~
v
Output Low Voltage
,,} <~t\tkl,*t ?J
(i Load= 0.25 mA, All OUtpUtS)
Input High Voltage
VOL
$i.,,,,
-$.*;,,’:,: ~
0.3
v
——
STBY, ADO-AD7, DS, AS, R/W, CS vlH
, %&$$y’
VDD
v
RESET, CKFS, PS, OSC1
.,$,@,q.,
‘$:?~y$~: ?:,
VDD
Input Low Voltage
MOT
,,. ‘k$,’w.~’D
VDD
——
~,
ADO-AD7, DS, AS, R/W, CS, CKFS, PS, RESET, OSCI vlL ‘?$yvss
0.5
v
MOT .#vj
Vss
Vss
Input Current
——
AS, DS, R/~F ~~:$~
MOT, OSCI, CE, STBY, RESET, CKFS, ,P# ‘$ ‘“
* 10
PA
*I
Three-State Leakage
IRQ, AD@@fl~lTsL
* 10
WA
.::.
Input Current
Three-State Leakage
——
AS, DS, R/~
MOT, OSCI, CE, STBY, RESET, CKFS, PS
I Iin
1
1
IRQ, ADO-AD7
ITSL I
I +10
*1
,
*IO
I AA
I
PA 1
m MOTOROkA
Semiconductor Products Inc.
3
 

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