at28lv64b-20tc ATMEL Corporation, at28lv64b-20tc Datasheet - Page 5

• Manufacturer Part Number: at28lv64b-20tc
• Description: 64k 8k X 8 Low Voltage Cmos E2 Prom With Page Write And Software Data Protection
• Manufacturer: ATMEL Corporation

AC Read Waveforms
Notes: 1. CE may be delayed up to t
Input Test Waveforms and
Measurement Level
Pin Capacitance (f = 1 MHz, T = 25°C)
AC Read Characteristics
Note:
Symbol
t
t
t
t
t
ACC
CE
OE
DF
OH
C
C
(3, 4)
t
(1)
(2)
IN
OUT
R
, t
2. OE may be delayed up to t
1. This parameter is characterized and is not 100% tested.
F
transition without impact on t
edge of CE without impact on t
after an address change without impact on t
< 20 ns
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
(1, 2, 3, 4)
ACC
CE
ACC
- t
CE
- t
OE
.
CE
or by t
Typ
after the falling
4
8
after the address
ACC
ACC
- t
OE
.
(1)
Min
Max
Output Test Load
AT28LV64B-20
3. t
4. This parameter is characterized and is not 100% tested.
0
12
0
0
6
(C
DF
L
is specified from OE or CE, whichever occurs first
= 5 pF).
Max
200
200
80
55
Units
pF
pF
AT28LV64B
Min
AT28LV64B-25
0
0
0
Conditions
V
V
IN
OUT
Max
250
250
100
60
= 0V
= 0V
Units
ns
ns
ns
ns
ns
2-139