at28c040 ATMEL Corporation, at28c040 Datasheet - Page 7

• Manufacturer Part Number: at28c040
• Description: 4-megabit 512k X 8 Paged Parallel Eeproms
• Manufacturer: ATMEL Corporation

9. AC Read Characteristics
10. AC Read Waveforms
Notes:
11. Input Test Waveforms and Measurement Level
12. Output Test Load
13. Pin Capacitance
f = 1 MHz, T = 25°C
Note:
0542E–PEEPR–1/08
Symbol
t
t
t
t
t
Symbol
C
C
ACC
CE
OE
DF
OH
IN
OUT
(1)
(3)(4)
(2)
1. CE May be delayed up to t
2. OE may be delayed up to t
3. t
4. This parameter is characterized and is not 100% tested.
1. This parameter is characterized and is not 100% tested.
without impact on t
DF
Parameter
Address to Output Delay
CE to Output Delay
OE to Output Delay
CE or OE to Output Float
Output Hold from OE, CE or Address, whichever occurred first
is specified from OE or CE, whichever occurs first (C
(1)
Typ
4
8
t
R
, t
ACC
F
.
< 5 ns
ACC
CE
(1)(2)(3)(4)
- t
- t
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
Max
10
12
L
= 5 pF).
Units
pF
pF
CE
ACC
or by t
Min
.
0
0
0
AT28C040-20
ACC
- t
OE
after an address change
Max
200
200
55
55
AT28C040
Conditions
V
V
OUT
IN
= 0V
= 0V
Units
ns
ns
ns
ns
ns
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