msm80c85ahrs Oki Semiconductor, msm80c85ahrs Datasheet - Page 14

• Manufacturer Part Number: msm80c85ahrs
• Description: 8-bit Cmos Microprocessor
• Manufacturer: Oki Semiconductor

¡ Semiconductor
AC CHARACTERISTICS
CLY Cycle Period
CLY Low Time
CLY High Time
CLY Rise and Fall Time
X
X1 Rising to CKK Falling
A
AD
AD
Address Float After Leading Edge of RD INTA
A
AD
READY Valid from Address Valid
Address (A
Width of Control Law (RD, WR, INTA)
Trailing Edge of Control to Leading Edges of ALE
Data Valid to Trailing Edge of WR
HLDA to Bus Enable
Bus Float After HLDA
HLDA Valid to Trailing Edge of CLK
HOLD Hold Time
HOLD Step Up Time to Trailing Edge of CLK
INTR Hold Time
INTR, RST and TRAP Setup Time to Falling Edge of CLK
Address Hold Time After ALE
Trailing Edge of ALE to Leading Edge of Control
ALE Low During CLK High
ALE to Valid Data During Read
ALE to Valid Data During Write
ALE Width
ALE to READY Stable
Trailing Edge of RD to Re-enabling of Address
RD (or INTA) to Valid Data
Control Trailing Edge to Leading Edge of Next Control
Data Hold Time After RD INTA (7)
READY Hold Time
READY Setup Time to Leading Edge of CLK
Data Valid After Trailing Edge of WR
LEADING Edge of WR to Data Vaild
1
8
8
~
~
0
0
0
Rising to CLK Rising
15
15
~
~
~
7
15
7
Valid to Leading Edge of Control (1)
Valid Before Trailing Edge of ALE (1)
Valid to Leading Edge of Control
Valid Before Trailing Edge of ALE
Valid Data in
8
~
15
) Valid After Control
Parameter
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
HABE
HABF
HACK
t
t
t
t
t
t
t
HDH
LDW
t
t
RDH
WDL
CYC
XKR
t
ARY
t
HDS
t
t
LDR
t
LRY
RAE
RYH
RYS
r
XKF
ACL
AFR
ALL
INH
LCK
DW
INS
WD
t
t
AD
RD
RV
AC
AL
CA
CC
CL
LA
LC
LL
, t
1
2
f
t
Condition
CYC
CL=150 pF
(Ta = –40°C ~ 85°C, V
=200 ns
MSM80C85AHRS/GS/JS
Min.
200
115
115
230
230
120
150
220
100
40
70
—
25
30
—
—
50
50
—
60
25
—
—
40
50
60
50
—
—
80
—
90
—
60
—
0
0
0
0
CC
Max.
2000
120
150
350
100
150
150
270
140
150
= 4.5 V ~ 5.5 V)
—
—
30
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
30
—
—
—
—
—
—
20
0
Unit
14/29
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns