MOSEL VITELIC
Absolute Maximum Ratings*
Ambient Temperature
Under Bias ..................................... –10
°
C to +80
°
C
Storage Temperature (plastic) ..... –55
°
C to +125
°
C
Voltage Relative to V
SS
.................–1.0 V to +7.0 V
Data Output Current ..................................... 50 mA
Power Dissipation .......................................... 1.0 W
*Note:
Operation above Absolute Maximum Ratings can
adversely affect device reliability.
V53C16258H
T
A
= 25
°
C, V
CC
= 5 V
±
10%, V
SS
= 0 V
Symbol
C
IN1
C
IN2
C
OUT
Parameter
Address Input
RAS, CAS, WE, OE
Data Input/Output
Typ.
3
4
5
Max.
4
5
7
Unit
pF
pF
pF
Capacitance*
* Note:
Capacitance is sampled and not 100% tested
Block Diagram
256K x 16
OE
WE
UCAS
LCAS
RAS
RAS CLOCK
GENERATOR
CAS CLOCK
GENERATOR
WE CLOCK
GENERATOR
OE CLOCK
GENERATOR
VCC
VSS
DATA I/O BUS
COLUMN DECODERS
Y -Y8
0
I/O 1
I/O 2
I/O 3
SENSE AMPLIFIERS
512 x 16
I/O
BUFFER
I/O 4
I/O 5
I/O 6
I/O 7
I/O 8
I/O 9
I/O 10
I/O 11
REFRESH
COUNTER
9
A0
A1
ADDRESS BUFFERS
AND PREDECODERS
X0 -X8
ROW
DECODERS
512
•
•
•
A7
A8
MEMORY
ARRAY
256K x 16
I/O 12
I/O 13
I/O 14
I/O 15
I/O 16
16258H-04
V53C16258H Rev. 3.8 November 1999
3
MOSEL [ MOSEL VITELIC, CORP ]
