IS41LV16257 ISSI [Integrated Silicon Solution, Inc], IS41LV16257 Datasheet - Page 6

• Manufacturer Part Number: IS41LV16257
• Description: 256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE
• Manufacturer: ISSI [Integrated Silicon Solution, Inc]

IS41C16257
IS41LV16257
ELECTRICAL CHARACTERISTICS
6
Symbol Parameter
I
I
V
V
I
I
I
I
I
I
I
I
Notes:
1. An initial pause of 200 s is required after power-up followed by eight
2. Dependent on cycle rates.
3. Specified values are obtained with minimum cycle time and the output open.
4. Column-address is changed once each fast page cycle.
5. Enables on-chip refresh and address counters.
IL
IO
CC
CC
CC
CC
CC
CC
CC
CC
OH
OL
operation is assured.The eight
1
1
2
2
3
4
5
6
Input Leakage Current
Output Leakage Current
Output High Voltage Level
Output Low Voltage Level
Stand-by Current: TTL
Stand-by Current: TTL
Stand-by Current: CMOS
Stand-by Current: CMOS
Operating Current:
Random Read/Write
Average Power Supply Current
Operating Current:
Fast Page Mode
Average Power Supply Current
Refresh Current:
RAS
Average Power Supply Current
Refresh Current:
CBR
Average Power Supply Current
-Only
(2,3,5)
(2,3)
(2,3,4)
RAS
(2,3,4)
cycles wake-up should be repeated any time the t
(1)
Test Condition
Any input 0V < V
Other inputs not under test = 0V
Output is disabled (Hi-Z)
0V < V
I
I
RAS
RAS
RAS
RAS
RAS
Address Cycling, t
RAS
Cycling t
RAS
t
RAS
t
(Recommended Operation Conditions unless otherwise noted.)
OH
OL
RC
RC
= 2.1 mA
= t
= t
= –2.5 mA
,
,
,
,
,
,
= V
Cycling,
LCAS
LCAS
LCAS
LCAS
LCAS
LCAS
RC
RC
OUT
IL
PC
(min.)
(min.)
,
< Vcc
LCAS
,
,
,
,
,
,
= t
UCAS
UCAS
UCAS
UCAS
UCAS
UCAS
LCAS
PC
IN
,
(min.)
UCAS
RC
Integrated Silicon Solution, Inc. — 1-800-379-4774
,
< Vcc
,
Cycling
RAS
UCAS
= t
V
V
V
V
IH
IH
CC
CC
RC
refresh cycles (
,
– 0.2V
– 0.2V
(min.)
V
IH
Com.
Com. 3.3V
REF
Ind.
Ind. 3.3V
refresh requirement is exceeded.
RAS
Speed
3.3V
-Only or CBR) before proper device
-35
-60
-35
-60
-35
-60
-35
-60
5V
5V
5V
Min.
–10
–10
2.4
—
—
—
—
—
—
—
—
—
—
—
—
—
ISSI
Max.
230
170
220
160
230
170
230
170
0.4
10
10
—
2
3
1
2
2
1
DR004-1B
Unit
05/24/99
mA
mA
mA
mA
mA
mA
mA
mA
V
V
A
A
®