Register ac characteristics, product term clock(1), Ac characteristics(1), Atf1500abv – Rainbow Electronics ATF1500ABV User Manual
Page 9: Register ac characteristics, product term clock, Ac characteristi cs
9
ATF1500ABV
0723I–08/01
Notes:
1. AC Characteristics are for V
CC
= 3.0 volts. For 2.7 volts, add the “2.7-volt Adder.”
2. For slow slew outputs, add t
SSO
.
Notes:
1. AC Characteristics are for V
CC
= 3.0 volts. For 2.7 volts, add the “2.7-volt Adder.”
2. For slow slew outputs, add t
SSO
.
Register AC Characteristics, Product Term Clock
Symbol
Parameter
2.7-volt Adder
-12
-15
Units
Min
Max
Min
Max
t
COA
Clock to Output
2
12
15
ns
t
CFA
Clock to Feedback
1
8
10
ns
t
SIA
I, I/O Setup Time
0
4
4
ns
t
SFA
Feedback Setup Time
0
4
4
ns
t
HA
Input, I/O, Feedback Hold Time
0
4
4
ns
t
PA
Clock Period
1
12
14
ns
t
WA
Clock Width
.5
6
7
ns
f
MAXA
External Feedback 1/(t
SIA
+ t
COA
)
-7
62.5
52.6
MHz
Internal Feedback 1/(t
SFA
+ t
CFA
)
-6.4
83.3
71.4
MHz
No Feedback 1/(t
PA
)
-6.4
83.3
71.4
MHz
t
RPRA
Reset Pin Recovery Time
0
0
0
ns
t
RTRA
Reset/Preset Term Recovery Time
0
6
6
ns
AC Characteristics
Symbol
Parameter
2.7-volt Adder
-12
-15
Units
Min
Max
Min
Max
t
PD
I, I/O or FB to Non-Registered Output
2
3
12
3
15
ns
t
PD2
I, I/O to Feedback
1
8
9
ns
t
PD3
Feedback to Non-Registered Output
2
3
12
3
15
ns
t
PD4
Feedback to Feedback
1
8
9
ns
t
EA
OE Term to Output Enable
1
3
12
3
15
ns
t
ER
OE Term to Output Disable
1
2
12
2
15
ns
t
PZX
OE Pin to Output Enable
1
2
8
2
9
ns
t
PXZ
OE Pin to Output Disable
1
1.5
8
1.5
9
ns
t
PF
Preset To Feedback
1
9
12
ns
t
PO
Preset to Registered Output
2
14
20
ns
t
RPF
Reset Pin to Feedback
1
3
5
ns
t
RPO
Reset Pin to Registered Output
1
8
11
ns
t
RTF
Reset Term to Feedback
1
9
12
ns
t
RTO
Reset Term to Registered Output
2
14
20
ns
t
CAS
Cascade Logic Delay
0
1
1
ns
t
SSO
Slow Slew Output Adder
0
3
4
ns
t
FLD
Foldback Term Delay
1
7
8
ns
= Preliminary Information