4
MS7200L/7201AL/7202AL
MOSEL V ITELIC
AC Electrical Characteristics (over the commercial operating range)
MS7200L/01AL/02AL Rev. 1.0 January 1995
Parameter
Name
S
Read Cycle
t
RC
t
A
t
RPW
t
RR
t
RLZ(2)
t
RHZ(2,3)
t
DV
Write Cycle
t
WC
t
WPW(1)
t
WR
t
DS
t
DH
t
WLZ(2,3)
Flag Timing
t
REF
t
RHF
t
RFF
t
WEF
t
WFF
t
WHF
t
RPE
t
WPF
Reset Timing
t
RSC
t
RS(1)
t
RSS
t
RSR
t
EFL
t
HFH
t
FFH
Retransmit Timing
t
RTC
t
RT(1)
t
RTS
t
RTR
Expansion Timing
t
XOL
t
XOH
t
XI
t
XIS
t
XIR
MS7200L-25
MS7201AL-25
MS7202AL-25
Min.
--
MS7200L-35
MS7201AL-35
MS7202AL-35
Min.
--
MS7200L-50
MS7201AL-50
MS7202AL-50
Min.
--
MS7200L-80
MS7201AL-80
MS7202AL-80
Min.
--
Parameter
Max.
30
Max.
22.2
Max.
15
Max.
10
Units
MHz
Shift Frequency
Read Cycle Time
Access Time
Read Pulse Width
Read Recovery Time
Read Pulse Low to Data Bus at Low Z
Read Pulse High to Data Bus at High Z
Data Valid from Read Pulse High
33
--
25
8
5
--
5
--
25
--
--
--
18
--
45
--
35
10
5
--
5
--
35
--
--
--
20
--
65
--
50
15
10
--
5
--
50
--
--
--
30
--
100
--
80
20
10
--
5
--
80
--
--
--
30
--
ns
ns
ns
ns
ns
ns
ns
Write Cycle Time
Write Pulse Width
Write Recovery Time
Data Setup Time
Data Hold Time
Write Pulse High to Data Bus at Low Z
33
25
8
15
0
5
--
--
--
--
--
--
45
35
10
18
0
10
--
--
--
--
--
--
65
50
15
30
5
15
--
--
--
--
--
--
100
80
20
40
10
20
--
--
--
--
--
--
ns
ns
ns
ns
ns
ns
Read Low to Empty Flag Low
Read High to Half Full Flag High
Read High to Full Flag High
Write High to Empty Flag High
Write Low to Full Flag Low
Write Low to Half Full Flag Low
Read Pulse Width After EF High
Write Pulse Width After
FF
High
--
--
--
--
--
--
25
25
25
33
25
25
25
33
--
--
--
--
--
--
--
--
35
35
30
45
30
30
30
45
--
--
--
--
--
--
--
--
50
50
45
65
45
45
45
65
--
--
--
--
--
--
--
--
80
80
60
100
60
60
60
100
--
--
ns
ns
ns
ns
ns
ns
ns
ns
Reset Cycle Time
Reset Pulse Width
Reset Set Up Time
Reset Recovery Time
Reset to Empty Flag Low
Reset to Half Full Flag High
Reset to Full Flag High
33
25
25
8
--
--
--
--
--
--
--
33
33
33
45
35
35
10
--
--
--
--
--
--
--
45
45
45
65
50
50
15
--
--
--
--
--
--
--
65
65
65
100
80
80
20
--
--
--
--
--
--
--
ns
ns
ns
ns
ns
ns
ns
100
100
100
Retransmit Cycle Time
Retransmit Pulse Width
Retransmit Set up Time
Retransmit Recovery Time
33
25
25
8
--
--
--
--
45
35
35
10
--
--
--
--
65
50
50
15
--
--
--
--
100
80
80
20
--
--
--
--
ns
ns
ns
ns
Read/Write to
XO
Low
Read/Write to
XO
High
XI
Pulse Width
XI
Set up Time
XI
Recovery Time
--
--
25
15
8
25
25
--
--
--
--
--
35
15
10
35
35
--
--
--
--
--
50
15
10
50
50
--
--
--
--
--
80
15
10
80
80
--
--
--
ns
ns
ns
ns
ns
NOTES:
1.
2.
3.
Pulse widths less than minimum value are not allowed.
Values guaranteed by design, not currently tested.
Only applies to read data flow-through mode.