AT17LV256A-10JI(1998) Ver la hoja de datos (PDF) - Atmel Corporation
Número de pieza
componentes Descripción
Fabricante
AT17LV256A-10JI Datasheet PDF : 11 Pages
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AC Characteristics for AT17C65/128A
VCC = 5V ± 5% Commercial / VCC = 5V ± 10% Ind./Mil.
Commercial
Industrial/Military
Symbol
tOE(2)
tCE(2)
tCAC(2)
tOH(2)
tDF(3)
tLC
tHC
tSCE
tHCE
tHOE
FMAX(4)
Description
OE to Data Delay
CE to Data Delay
CLK to Data Delay
Data Hold From CE, OE, or CLK
CE or OE to Data Float Delay
CLK Low Time
CLK High Time
CE Setup Time to CLK (to guarantee proper counting)
CE Hold Time to CLk (to guarantee proper counting)
OE High Time (guarantees counter is reset)
MAX Input Clock Frequency
Min
Max
Min
Max
110
150
50
50
50
55
0
0
50
50
30
35
30
35
45
50
0
5
50
60
10
10
.
AC Characteristics for AT17C128/256A When Cascading
VCC = 5V ± 5% Commercial / VCC = 5V ± 10% Ind./Mil.
Commercial
Industrial/Military
Symbol Description
Min
Max
Min
Max
tCDF(3)
CLK to Data Float Delay
tOCK(2)
CLK to CEO Delay
tOCE(2)
CE to CEO Delay
tOE(2)
RESET/OE to CEO Delay
Notes: 1. Preliminary specifications for military operating range only.
50
50
65
75
55
60
55
55
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.
4. During cascade FMAX = 8 MHz.
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
Units
ns
ns
ns
ns
8
AT17A Series
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