P L A N A R C O N T R O - Tandy 1000 SL Technical Reference Manual

TANDY COMPUTER PRODUCTS
4 .O
4 . 1
4.2
4 . 3
4.4
AC CHARACTERISTICS
FDCCLK T i m i n g
t
$ ' t F
t : Y
W C K T i m i n g
WRDATA* T i m i n g
WCK -WEH
WCK'-WE~
WDAW
PSDL
WDD
WRDW
WDDH-WRDL e a r l y
WDDH-WRDL n o m i n a l
W D D H - ~ ~ ~ L
l a t e
DMA/INTERRUPT T i m i n g
IH-FIH
I -FIL
D k - F I L
W C ~ , -DRQ
DRQ;-FDR!~
D RQL- FD RQ
F C ~ ~ -FD R b H
WCK -DRQ
D I -FDRQ
Min. Typ.
Max.
U n i t s
9 0 1 2 0 1 3 0 n S e c
5 1 0 n S e c
1 0 0 1 2 0 1 6 0 n S e c
245 250 255 n S e c
_--- ---- ----
-----
1 0 0 250 250 n S e c
5 1 0 n S e c
2
.o
p S e c
t c y -
(
t H + t R + t F
20
20
20 1 0 0
20 1 0 0
1 1 5 1 2 5 1 3 5
1 5 0 250
2 7 5 3 7 5
400 500
W C K H - ~ 0
30
30
30
0
-20
750 1 0 5 0
30
30
30
n S e c
n S e c
n S e c
n S e c
n S e c
nS
ec
n S e c
n S e c
n S e c
n S e c
n S e c
n S e c
n S e c
n S e c
n S e c
n S e c
n S e c
n S e c
6