AT17F040A_14 Datasheet, PDF (11/16 Pages) ATMEL Corporation – In-System Programmable (ISP) via 2-wire Bus

AT17F040A/080A
16.1 AC Characteristics When Cascading
AT17F040A
AT17F080A
Symbol Description
T_CDF(3)
DCLK to Data Float Delay
T_OCK(2)
DCLK to nCASC Delay
Commercial
Industrial
Commercial
Industrial
Min
Max
Min
Max
50
50
50
50
50
50
55
55
T_OCE(2)
nCS to nCASC Delay
Commercial
Industrial
35
35
40
40
T_OOE(2)
RESET/OE to nCASC Delay
Commercial
Industrial
35
35
25
35
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.
Units
ns
ns
ns
ns
ns
ns
ns
ns
17. Thermal Resistance Coefficients
Package Type
20J
Plastic Leaded Chip Carrier (PLCC)
32A
Thin Plastic Quad Flat Package (TQFP)
Note: 1. Airflow = 0 ft/min.
θ_JC [° C/W]
θ_JA [° C/W]⁽¹⁾
θ_JC [° C/W]
θ_JA [° C/W]⁽¹⁾
AT17F040A
17
62
AT17F080A
–
–
17
62
11
2823D–CNFG–2/08