Sharp PC-1500 - Page 86

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<D -2 - AC characteris ti cs
(Ta =- 5 to 55 ° C. V <:<= 4.0 to 5.0V )
Limits
Parameter
Symbol Unit Test condition
Min Typ Max
CSO. C$ 1, CS2, t ~
230 ns
RS0 ~ 3
ti
80
ns
M EO, ME1
to
240 ns
tr
80 175 ns
t ...
250
ns
WAIT
1.,
150 ns C, = 50pF
lw r 50 200 ns
D0 ~ 7 (input to
500
ns
mode)
tr
130 ns
lz o 100 ns V "" =0.8Vcc
t,,
3
00
ns
0 0 ~ 7 (output ts 200 ns
mode)
tr
50 ns
i. .
150
ns
'"
100 ns
R/W
to
- 30
50
ns V oo ,= 0.8 Vcc
Ir
150 ns
~O S
t<e 500
ns
I,
150 ns 0.1- 0.9 Vcc
tr
40 ns 0.9- 0 .1 V cc
P A 0 ~ 7 . PB0- 7
, ,.
1 /JS
C, =1 00pF
(o
utput mo de}
PC 0- 7 (reg ister
lo•
1 µs C, = lO OpF
se lec !2_
P!!>
to
350
ns V o.- 0.8V cc
tr 100 ns
PC 0- 7 ( P!I>
. ...
1
µs
c,- 100pF
l
at ch)
SDO (inp ut
ts
100 ns
mode)
t.
50
ns
SD 1
SDO (ou tp ut
lo
1 00 ns C, = 100pF
mode)
DM EO
lo
1 20 ns Ct= 50pF
DME1 Ir 120 ns
SD O
"
200
ns C, = 100pF
CL O
,,
1 00 ns
0.1 - 0 .9Vc c
C, =50 pF
t.
100 ns 0.9- 0 .1 Ve e
c,= 50pF
<* l: Unless ot he rwise specified, the cri te ri on shall be VCH =2.0V. V o. =0.4V
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