AT28C040-20 ATMEL Corporation, AT28C040-20 Datasheet - Page 5

• Manufacturer Part Number: AT28C040-20
• Description: 4-Megabit 512K x 8 Paged E2PROM
• Manufacturer: ATMEL Corporation

AC Read Characteristics
AC Read Waveforms
Note:
Input Test Waveforms and
Measurement Level
t
Pin Capacitance
f = 1 MHz, T = 25°C
Note:
R
Symbol
t
t
t
t
t
C
C
, t
ACC
CE
OE
DF
OH
IN
OUT
F
(1)
(3)(4)
(2)
< 5 ns
1.
2.
3.
4.
1. This parameter is characterized and is not 100% tested.
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
CE May be delayed up to t
OE may be delayed up to t
without impact on t
t
This parameter is characterized and is not 100% tested.
DF
is specified from OE or CE, whichever occurs first (C
(1)
ACC
(1)(2)(3)(4)
.
CE
ACC
- t
- t
OE
CE
Typ
4
8
after the falling edge of CE without impact on t
after the address transition wihtout impact on t
L
Output Test Load
= 5 pF).
Max
10
12
AT28C040-20
Min
0
0
0
CE
ACC
Units
or by t
pF
pF
.
Max
200
200
55
55
ACC
- t
OE
AT28C040-25
Min
0
0
0
after an address change
Conditions
V
V
IN
OUT
= 0V
= 0V
Max
250
250
55
55
Units
ns
ns
ns
ns
ns
5