11
AT17C/LV002
2281D–12/01
.
Notes: 1. Preliminary specifications for military operating range only.
2. AC test load = 50 pF.
3. Float delays are measured with 5 pF AC loads. Transition is measured ± 200 mV from steady state active levels.
Notes: 1. Preliminary specifications for military operating range only.
2. AC test load = 50 pF.
3. Float delays are measured with 5 pF AC loads. Transition is measured ± 200 mV from steady state active levels.
AC Characteristics for AT17C002
V
CC
= 5V ± 5% Commercial, V
CC
= 5V ± 10% Industrial/Military
Symbol Description
Commercial Industrial/Military
(1)
UnitsMinMaxMinMax
T
OE
(2)
OE to Data Delay 30 35 ns
T
CE
(2)
CE to Data Delay 45 45 ns
T
CAC
(2)
CLK to Data Delay 50 50 ns
T
OH
Data Hold From CE, OE or CLK 0 0 ns
T
DF
(3)
CE or OE to Data Float Delay 50 50 ns
T
LC
CLK Low Time 20 20 ns
T
HC
CLK High Time 20 20 ns
T
SCE
CE Setup Time to CLK (to guarantee proper counting) 20 25 ns
T
HCE
CE Hold Time from CLK (to guarantee proper counting) 0 0 ns
T
HOE
OE High Time (guarantees counter is reset) 20 20 ns
F
MAX
Maximum Input Clock Frequency 15 15 MHz
AC Characteristics for AT17C002 when Cascading
V
CC
= 5V ± 5% Commercial/V
CC
= 5V ± 10% Industrial/Military
Symbol Description
Commercial Industrial/Military
(1)
UnitsMinMaxMinMax
T
CDF
(3)
CLK to Data Float Delay 50 50 ns
T
OCK
(2)
CLK to CEO Delay 35 40 ns
T
OCE
(2)
CE to CEO Delay 35 35 ns
T
OOE
(2)
RESET/OE to CEO Delay 30 30 ns
F
MAX
Maximum Input Clock Frequency 12.5 12.5 MHz
