AT17F040A_14 Datasheet, PDF (10/16 Pages) ATMEL Corporation – In-System Programmable (ISP) via 2-wire Bus

16. AC Characteristics
Symbol Description
T_OE(2)
OE to Data Delay
T_CE(2)
nCS to Data Delay
T_CAC(2)
DCLK to Data Delay
T_OH
Data Hold from nCS, OE, or DCLK
T_DF(3)
nCS or OE to Data Float Delay
T_LC
DCLK Low Time
T_HC
T_SCE
T_HCE
T_HOE
F_MAX
T_WR
T_EC
DCLK High Time
nCS Setup Time to DCLK
(to guarantee proper counting)
nCS Hold Time from DCLK
(to guarantee proper counting)
RESET/OE Low Time
(guarantees counter is reset)
Maximum Input Clock Frequency
SEREN = 0
Write Cycle Time⁽⁴⁾
Erase Cycle Time⁽⁴⁾
Commercial
Industrial⁽¹⁾
Commercial
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Commercial
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Commercial
Industrial⁽¹⁾
Commercial
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Commercial
Industrial⁽¹⁾
Commercial
Industrial⁽¹⁾
Commercial
Industrial⁽¹⁾
Commercial
Industrial⁽¹⁾
Commercial
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Commercial
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Commercial
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Commercial
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AT17F040A/080A
Min
Typ
Max
50
55
55
60
30
30
0
0
15
15
15
15
15
15
20
25
0
0
20
20
10
10
12
12
13
13
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
µs
µs
s
s
Notes:
1. Preliminary specifications for military operating range only.
2. AC test lead = 50 pF.
3. Float delays are measured with 5 pF AC loads. Transition is measured ± 200 mV from steady-state active levels.
4. See the AT17FxxxA Programming Specfication for procedural information.
10 AT17F040A/080A
2823D–CNFG–2/08