V54C3256(16/80/40)4V(T/S/B)
Absolute Maximum Ratings*
Max. Unit
5
5
pF
pF
Block Diagram
Column decoder
Sense amplifier & I(O) bus
Column decoder
Sense amplifier & I(O) bus
Column decoder
Sense amplifier & I(O) bus
Bank 0
Bank 1
Bank 2
Column decoder
Sense amplifier & I(O) bus
WE
LDQM
V54C3256(16/80/40)4V(T/S/B) Rev1.6 September
8
UDQM
CKE
RAS
CLK
CAS
CS
CILETIV LESO M
Capacitance*
T
A
= 0 to 70°C, V
CC
= 3.3 V
±
0.3 V, f = 1 Mhz
Symbol
C
I1
C
I2
C
IO
C
CLK
Parameter
Input Capacitance (A0 to A12)
Input Capacitance
RAS, CAS, WE, CS, CLK, CKE, DQM
Output Capacitance (I/O)
Input Capacitance (CLK)
Operating temperature range .................. 0 to 70 °C
Storage temperature range ................-55 to 150 °C
Input/output voltage.................. -0.3 to (V
CC
+0.3) V
Power supply voltage .......................... -0.3 to 4.6 V
Power dissipation ..............................................1 W
Data out current (short circuit).......................50 mA
*Note:
Stresses above those listed under “Absolute Maximum
Ratings” may cause permanent damage of the device.
Exposure to absolute maximum rating conditions for
extended periods may affect device reliability.
6.5
4
pF
pF
*
Note:
Capacitance is sampled and not 100% tested.
x16 Configuration
Column Addresses
A0 - A8, AP, BA0, BA1
Row Addresses
A0 - A12, BA0, BA1
Column address
counter
Column address
buffer
Row address
buffer
Refresh Counter
Row decoder
Memory array
Row decoder
Memory array
Row decoder
Memory array
Row decoder
Memory array
Bank 3
8192 x 512
x 16 bit
8192 x 512
x16 bit
8192 x 512
x 16 bit
8192 x 512
x 16 bit
Input buffer
Output buffer
Control logic & timing generator
I/O
1
-I/O
16
MOSEL [ MOSEL VITELIC, CORP ]
