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AT28LV64B-25PI

P1-P3P4-P6P7-P9P10-P12
AT28LV64B
4
Notes: 1. X can be V
IL
or V
IH
.
2. Refer to AC Programming Waveforms.
3. V
H
=12.0V± 0.5V.
DC and AC Operating Range
AT28LV64B-20 AT28LV64B-25
Operating
Temperature (Case)
Com. 0°C-70°C0°C-70°C
Ind. -40°C-85°C-40°C-85°C
V
CC
Power Supply 3.3V ± 10% 3.3V ± 10%
Operating Modes
Mode CE OE WE I/O
Read V
IL
V
IL
V
IH
D
OUT
Write
(2)
V
IL
V
IH
V
IL
D
IN
Standby/Write Inhibit V
IH
X
(1)
XHighZ
Write Inhibit X X V
IH
Write Inhibit X V
IL
X
Output Disable X V
IH
XHighZ
Chip Erase V
IL
V
H
(3)
V
IL
High Z
DC Characteristics
Symbol Parameter Condition Min Max Units
I
LI
Input Load Current V
IN
=0VtoV
CC
+1V 10 µA
I
LO
Output Leakage Current V
I/O
=0VtoV
CC
10 µA
I
SB
V
CC
Standby Current CMOS
CE
=V
CC
-0.3Vto
V
CC
+1V
Com. 20 µA
Ind. 50 µA
I
CC
V
CC
Active Current f = 5 MHz; I
OUT
=0mA 15 mA
V
IL
Input Low Voltage 0.6 V
V
IH
Input High Voltage 2.0 V
V
OL
Output Low Voltage I
OL
=1.6mA 0.45 V
V
OH
Output High Voltage I
OH
=-100 µA 2.0 V
AT28LV64B
5
AC Read Waveforms
(1)(2)(3)(4)
Notes: 1. CE may be delayed up to t
ACC
-t
CE
after the address transition without impact on t
ACC
.
2. OE
may be delayed up to t
CE
-t
OE
after the falling edge of CE without impact on t
CE
or by t
ACC
-t
OE
after an address change
without impact on t
ACC
.
3. t
DF
is specified from OE or CE whichever occurs first (C
L
=5pF).
4. This parameter is characterized and is not 100% tested.
Input Test Waveforms and
Measurement Level
Output Test Load
Note: 1. This parameter is characterized and is not 100% tested.
AC Read Characteristics
Symbol Parameter
AT28LV64B-20 AT28LV64B-25
UnitsMin Max Min Max
t
ACC
Address to Output Delay 200 250 ns
t
CE
(1)
CE to Output Delay 200 250 ns
t
OE
(2)
OE to Output Delay 0 80 0 100 ns
t
DF
(3)(4)
CE or OE toOutputFloat 055060ns
t
OH
Output Hold from OE,CEor Address, whichever
occurred first
00ns
t
R
,t
F
<20ns
Pin Capacitance
f=1MHz,T=25°C
(1)
Symbol Typ Max Units Conditions
C
IN
46pFV
IN
=0V
C
OUT
812pFV
OUT
=0V
AT28LV64B
6
Notes: 1. NR = No Restriction
2. All byte write operations must be preceded by the SDP command sequence.
AC Write Waveforms
WE Controlled
CE Controlled
AC Write Characteristics
Symbol Parameter Min Max Units
t
AS
,t
OES
Address, OE Set-up Time 0 ns
t
AH
Address Hold Time 100 ns
t
CS
Chip Select Set-up Time 0 ns
t
CH
Chip Select Hold Time 0 ns
t
WP
Write Pulse Width (WE or CE) 200 ns
t
DS
Data Set-up Time 100 ns
t
DH
,t
OEH
Data, OE Hold Time 0 ns
t
DV
Time to Data Valid NR
(1)
t
WPH
Write Pulse Width High 100 ns
P1-P3P4-P6P7-P9P10-P12

AT28LV64B-25PI

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Description:
IC EEPROM 64K PARALLEL 28DIP
Lifecycle:
New from this manufacturer.
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