Ac characteristics – Rainbow Electronics AT17F080 User Manual
Page 10
10
AT17F040/080
3039C–CNFG–11/02
Notes:
1. AC test lead = 50 pF.
2. Float delays are measured with 5 pF AC loads. Transition is measured ± 200 mV from steady-state active levels.
AC Characteristics
Symbol
Description
AT17F040
AT17F080
Units
Min
Max
Min
Max
T
OE to Data Delay
Commercial
50
50
ns
Industrial
55
55
ns
T
CE to Data Delay
Commercial
60
55
ns
Industrial
60
60
ns
T
CAC
CLK to Data Delay
Commercial
75
55
ns
Industrial
80
60
ns
T
OH
Data Hold from CE, OE, or CLK
Commercial
0
0
ns
Industrial
0
0
ns
T
DF
CE or OE to Data Float Delay
Commercial
55
50
ns
Industrial
55
50
ns
T
LC
CLK Low Time
Commercial
20
20
ns
Industrial
20
20
ns
T
HC
CLK High Time
Commercial
20
20
ns
Industrial
20
20
ns
T
SCE
CE Setup Time to CLK
(to guarantee proper counting)
Commercial
35
20
ns
Industrial
40
25
ns
T
HCE
CE Hold Time from CLK
(to guarantee proper counting)
Commercial
0
0
ns
Industrial
0
0
ns
T
HOE
OE High Time
(guarantees counter is reset)
Commercial
20
20
ns
Industrial
20
20
ns
F
MAX
Maximum Input Clock Frequency
SEREN = 0
Commercial
10
10
MHz
Industrial
10
10
MHz
F
MAX
Maximum Input Clock Frequency
SEREN = 1
Commercial
33
33
MHz
Industrial
33
33
MHz