Intel MCS48 User Manual page 409

8041A/8741A
A.C.
TEST CONDITIONS
D
7
-D
Outputs
R
L
= 2.2k
to
V
ss
4.3k
to
V
C c
C L = 100 pF
WAVEFORMS
1.
READ OPERATION— DATA BUS BUFFER
REGISTER.
55
OR A
IX
X
/
<:
DATA
VALID-
>
\
{READ
CONTROL)
2.
WRITE
OPERATION- DATA BUS BUFFER
REGISTER.
BORA,
/L
x
\
/
IWRITE
CONTROL)
V-«
DATA
VALID
¥
8-119
001
88A