AT28HC64B ATMEL Corporation, AT28HC64B Datasheet - Page 5

• Manufacturer Part Number: AT28HC64B
• Description: 64K 8K x 8 High Speed CMOS E2PROM with Page Write and Software Data Protection
• Manufacturer: ATMEL Corporation

Notes: 1. CE may be delayed up to t
AC Read Characteristics
AC Read Waveforms
Input Test Waveforms and
Measurement Level
t
Pin Capacitance (f = 1 MHz, T = 25°C)
Note:
R
Symbol Parameter
t
t
t
t
t
ACC
CE
OE
DF
OH
, t
C
C
F
(1)
(2)
(3, 4)
IN
OUT
< 5ns
2. OE may be delayed up to t
1. This parameter is characterized and is not 100% tested.
transition without impact on t
edge of CE without impact on t
after an address change without impact on t
Address to Output Delay
CE to Output Delay
OE to Output Delay
OE to Output Float
Output Hold
(1, 2, 3, 4)
ACC
CE
ACC
- t
CE
- t
AT28HC64B-55 AT28HC64B-70 AT28HC64B-90 AT28HC64B-120
OE
.
CE
Min
or by t
Typ
0
0
0
after the falling
4
8
after the address
ACC
Max
ACC
55
55
30
30
- t
OE
.
(1)
Min
0
0
0
Output Test Load
Max
3. t
4. This parameter is characterized and is not 100% tested.
12
6
(C
DF
Max
L
70
70
35
35
is specified from OE or CE, whichever occurs first
= 5 pF).
Min
0
0
0
Units
pF
pF
Max
90
90
40
40
AT28HC64B
Min
0
0
0
Conditions
V
V
IN
OUT
= 0V
Max
120
120
= 0V
50
50
Units
2-271
ns
ns
ns
ns
ns