13
AT49BV/LV3218(T)
2452F–FLASH–10/02
Notes: 1. X can be V
IL
or V
IH
.
2. Refer to AC programming waveforms on page 19.
3. V
H
= 12.0V ± 0.5V.
4. Manufacturer Code: 1FH (x8); 001FH (x16), Device Code: 00D8H - AT49BV/LV3218; 00D9H - AT49BV/LV3218T.
5. See details under “Software Product Identification Entry/Exit” on page 20.
Note: 1. In the erase mode, I
CC
is 65 mA.
DC and AC Operating Range
AT49BV/LV3218(T)-85 AT49BV/LV3218(T)-90 AT49BV/LV3218(T)-11
Operating Temperature (Case) Ind. -40°C - 85°C -40°C - 85°C -40°C - 85°C
V
CC
Power Supply 2.65V to 3.3V/3.0V to 3.6V 2.65V to 3.3V/3.0V to 3.6V 2.65V to 3.3V/3.0V to 3.6V
Operating Modes
Mode CE OE WE RESET Ai I/O
Read V
IL
V
IL
V
IH
V
IH
Ai D
OUT
Program/Erase
(2)
V
IL
V
IH
V
IL
V
IH
Ai D
IN
Standby/Program Inhibit V
IH
X
(1)
XV
IH
XHigh-Z
Program Inhibit
XXV
IH
V
IH
XV
IL
XV
IH
Output Disable X V
IH
XV
IH
High-Z
Reset XXX V
IL
XHigh-Z
Product Identification
Hardware V
IL
V
IL
V
IH
V
IH
A1 - A20 = V
IL
,A9=V
H
(3)
,A0=V
IL
Manufacturer Code
(4)
A1 - A20 = V
IL
,A9=V
H
(3)
,A0=V
IH
Device Code
(4)
Software
(5)
V
IH
A0 = V
IL
,A1-A20=V
IL
Manufacturer Code
(4)
A0 = V
IH
,A1-A20=V
IL
Device Code
(4)
DC Characteristics
Symbol Parameter Condition Min Max Units
I
LI
Input Load Current V
IN
=0VtoV
CC
10 µA
I
LO
Output Leakage Current V
I/O
=0VtoV
CC
10 µA
I
SB1
V
CC
Standby Current CMOS CE =V
CC
-0.3VtoV
CC
10 µA
I
SB2
V
CC
Standby Current TTL CE =2.0VtoV
CC
1mA
I
SB3
V
CC
Standby Current TTL CE =2.0VtoV
CC
,V
CC
= 2.85V 10 µA
I
CC
(1)
V
CC
Active Read Current f = 5 MHz; I
OUT
=0mA 25 mA
I
CC1
V
CC
Programming Current 45 mA
I
PP1
V
PP
Input Load Current 100 µA
V
IL
Input Low Voltage 0.6 V
V
IH
Input High Voltage 2.0 V
V
OL1
Output Low Voltage I
OL
=2.1mA 0.45 V
V
OL2
Output Low Voltage I
OL
=1.0mA 0.20 V
V
OH1
Output High Voltage I
OH
=-400µA 2.4 V
V
OH2
Output High Voltage I
OH
=-100µA 2.5 V
