as7c33256ft32a Alliance Memory, Inc, as7c33256ft32a Datasheet - Page 9

• Manufacturer Part Number: as7c33256ft32a
• Description: 3.3v 256k 32/36 Flow-through Synchronous Sram
• Manufacturer: Alliance Memory, Inc

DC electrical characteristics for 3.3V I/O operation
1 LBO, and ZZ pins have an internal pull-up or pull-down, and input leakage = ±10 µa.
DC electrical characteristics for 2.5V I/O operation
*
**
I
1 I
V
DD
Input leakage current
Output leakage current
Input high (logic 1) voltage
Input low (logic 0) voltage
Output high voltage
Output low voltage
Input leakage current
Output leakage current
Input high (logic 1) voltage
Input low (logic 0) voltage
Output high voltage
Output low voltage
Operating power supply current
Standby power supply current
CC
V
11/30/04, v 1.1
IL
IH
given with no output loading. I
operating conditions and maximum limits
min = -1.5 for pulse width less than 0.2 X t
max < V
Parameter
Parameter
Parameter
DD
+1.5V for pulse width less than 0.2 X t
1
CC
increases with faster cycle times and greater output loading.
1
Sym
I
I
I
I
SB1
SB2
CC
SB
Sym
|I
V
Sym
|I
V
V
V
V
V
|I
V
|I
V
LO
LO
LI
OH
OL
LI
OH
OL
IH
IH
IL
IL
|
|
|
|
OE ≥ V
Alliance Semiconductor
CE0 < V
All V
OE ≥ V
CYC
I
V
I
Deselected, f = f
IH
OH
OL
DD
IN
all V
, V
Address and control pins
Address and control pins
Deselected, f = 0, ZZ < 0.2V,
= –4 mA, V
I
= 8 mA, V
V
IL
≤ 0.2V or > V
IH
I
OH
= Max, 0V < V
DD
OL
DD
I
, CE1 > V
all V
, V
Address and control pins
Address and control pins
OUT
IN
CYC
= –4 mA, V
f = f
= Max, 0V < V
= 8 mA, V
Conditions
= Max, 0V < V
≤ 0.2V or ≥ V
DD
I/O pins
I/O pins
= 0 mA, ZZ < V
IN
Conditions
Max
= Max, 0V < V
Conditions
≤ V
DDQ
Max
I/O pins
I/O pins
DDQ
IH
, ZZ < V
IL
®
DD
, ZZ ≥ V
, CE2 < V
DDQ
= 3.465V
IN
DDQ
= 3.135V
or ≥ V
– 0.2V, Deselected,
< V
DD
OUT
= 2.625V
IN
= 2.375V
IL
DD
DD
– 0.2V
IH
< V
IL
OUT
IL
< V
– 0.2V,
, f = f
DD
DDQ
< V
Max
DDQ
,
-0.3*
-0.5*
Min
2**
2**
2.4
-2
-2
–
V
300
110
-75
V
1.7**
1.7**
30
30
-0.3*
-0.3*
Min
DDQ
AS7C33256FT32A
AS7C33256FT36A
1.7
DD
-2
-2
Max
–
0.8
0.8
0.4
2
2
–
+0.3
+0.3
275
100
-85
30
30
V
V
DDQ
DD
Max
Unit
0.7
0.7
0.7
µA
µA
V
V
V
V
2
2
–
+0.3
+0.3
250
-10
90
30
30
9 of 19
Unit
Unit
mA
µA
µA
V
V
V
V
V
V