MO SEL VITELIC
V53C16258H
Absolute Maximum Ratings*
Ambient Temperature
Capacitance*
T = 25°C, V = 5 V ± 10%, V = 0 V
A
CC
SS
Under Bias..................................... –10°C to +80°C
Storage Temperature (plastic)..... –55°C to +125°C
Symbol
Parameter
Typ.
Max. Unit
C
C
C
Address Input
RAS, CAS, WE, OE
Data Input/Output
3
4
5
4
5
7
pF
pF
pF
IN1
Voltage Relative to V .................–1.0 V to +7.0 V
SS
Data Output Current ..................................... 50 mA
Power Dissipation.......................................... 1.0 W
IN2
OUT
*Note: Operation above Absolute Maximum Ratings can
* Note: Capacitance is sampled and not 100% tested
adversely affect device reliability.
Block Diagram
256K x 16
OE
WE
UCAS
LCAS
RAS
RAS CLOCK
GENERATOR
CAS CLOCK
GENERATOR
WE CLOCK
GENERATOR
OE CLOCK
GENERATOR
V
CC
SS
V
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
1
2
3
DATA I/O BUS
COLUMN DECODERS
SENSE AMPLIFIERS
I/O
BUFFER
4
5
Y
-Y
8
0
6
7
REFRESH
COUNTER
512 x 16
8
9
9
10
11
A
0
A
12
13
X
-X
1
512
0
8
MEMORY
ARRAY
256K x 16
•
•
•
14
15
16
A
A
7
8
16258H-04
V53C16258H Rev. 3.8 November 1999
3
MOSEL [ MOSEL VITELIC, CORP ]
