AT28BV64B-25JC ATMEL Corporation, AT28BV64B-25JC Datasheet - Page 5

• Manufacturer Part Number: AT28BV64B-25JC
• Description: 64K (8K x 8) Battery-Voltage Parallel EEPROM with Page Write and Software Data Protection
• Manufacturer: ATMEL Corporation

AC Read Characteristics
AC Read Waveforms
Notes:
Input Test Waveforms and
Measurement Level
Pin Capacitance
f = 1 MHz, T = 25°C
Note:
Symbol
t
t
t
t
t
Symbol
C
C
ACC
CE
OE
DF
OH
IN
OUT
t
(3)(4)
(1)
(2)
R
, t
F
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.
< 20 ns
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
ACC
(1)(2)(3)(4)
.
ACC
CE
- t
- t
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
Max
12
6
L
= 5 pF).
Output Test Load
Min
AT28BV64B-20
0
0
0
Units
pF
pF
Max
200
200
80
55
CE
ACC
or by t
AT28BV64B
.
ACC
Min
AT28BV64B-25
0
0
0
- t
OE
after an address change
Max
Conditions
250
250
100
V
60
V
OUT
IN
= 0V
= 0V
Units
ns
ns
ns
ns
ns
5