AT17C256-10JI Atmel, AT17C256-10JI Datasheet - Page 8

• Manufacturer Part Number: AT17C256-10JI
• Description: IC SER CONFIG PROM 256K 20PLCC
• Manufacturer: Atmel

Specifications of AT17C256-10JI

• Programmable Type: Serial EEPROM
• Memory Size: 256Kb
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-LCC (J-Lead)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: AT17C25610JI

AC Characteristics for AT17C65/128
V
AC Characteristics for AT17C128 When Cascading
V
Notes:
8
Symbol
T
T
T
T
T
T
T
T
T
T
F
Symbol
T
T
T
T
F
CC
CC
OE
CE
CAC
OH
DF
LC
HC
SCE
HCE
HOE
MAX
CDF
OCK
OCE
OOE
MAX
= 5V ± 5% Commercial/V
(3)
= 5V ± 5% Commercial/V
(2)
(2)
(3)
(2)
(2)
(2)
(2)
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.
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 from CLK (to guarantee proper counting)
OE High Time (guarantees counter is reset)
MAX Input Clock Frequency
Description
CLK to Data Float Delay
CLK to CEO Delay
CE to CEO Delay
RESET/OE to CEO Delay
MAX Input Clock Frequency
AT17C/LV65/128/256
CC
CC
= 5V ± 10% Ind./Mil.
= 5V ± 10% Ind./Mil.
12.5
Min
Min
30
30
45
25
0
0
Commercial
8
Commercial
Max
Max
30
50
50
50
50
55
55
40
Industrial/Military
Industrial/Military
12.5
Min
Min
35
35
50
25
0
0
8
Max
Max
35
50
55
50
50
60
60
45
(1)
(1)
Units
Units
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns