SC68C562 Datasheet, PDF (10/26 Pages) NXP Semiconductors – CMOS dual universal serial communications controller CDUSCC

Philips Semiconductors
CMOS Dual universal serial communications controller
(CDUSCC)
Product specification
SC68C562
A1–A6
R/WN
CSN
D0–D7
DTACKN¹²
t_ADVCSL
t_RWLCSL
t_CSLADI
t_CSLCSH
t_CSHRWH
t_DALCSH
t_CSLWDV
t_CSLDAL
t_DALWDI
t_CSHDAH
Figure 3. Write Cycle Bus Timing
t_CSHCSL
t_CSHWDI
t_CSHDAZ
SD00255
SYMBOL
PARAMETER
t_ADVCSL
t_CSLADI
t_RWLCSL
t_CSHRWH
t_CSHCSL
t_DALCSH
t_DALWDI
t_CSLDAL13
t_CSHDAH
t_CSHDAZ
t_CSLCSH
t_CSLWDV
t_CSHWDI
A0-A6 valid to CSN low
CSN low to A0-A6 invalid
RWN low to CSN low
CSN high to RWN high
CSN high to CSN low⁸
DTACKN low to CSN high⁹
DTACKN low to write data invalid⁹
CSN low to DTACKN low⁹
CSN high to DTACKN high
CSN high to DTACKN high impedance
CSN low to CSN high
CSN low to write data valid
CSN high to write data invalid
LIMITS
INDUSTRIAL SC68C562 COMMERCIAL SC68C562
Min
Max
Min
Max
10
5
60
50
0
0
0
0
50
30
0
0
0
0
30
)
1
f_CL
140
)
1.5
f_CL
60
40
)
1
f_CL
130
)
1.5
f_CL
60
90
90
150
130
30
35
10
5
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1998 Sep 04
10