hyb39s256400dt Infineon Technologies Corporation, hyb39s256400dt Datasheet - Page 5

• Manufacturer Part Number: hyb39s256400dt
• Description: 256 Mbit Synchronous Dram
• Manufacturer: Infineon Technologies Corporation

HYB39S256400/800/160DT(L)/DC(L)
256MBit Synchronous DRAM
Pinout for x4, x8 & x16 organised 256M-DRAMs
C o lu m n A d d re s s e s
R o w A d d re s s e s
A 0 - A 9 , A 1 1 , A P,
A 0 - A 1 2 ,
B A 0 , B A 1
B A 0 , B A 1
C o lu m n A d d re s s
C o lu m n A d d re s s
R o w A d d re s s
R e fre s h C o u n te r
C o u n te r
B u ffe r
B u ffe r
R o w
R o w
R o w
R o w
D e c o d e r
D e c o d e r
D e c o d e r
D e c o d e r
M e m o r y
M e m o r y
M e m o r y
M e m o r y
A rray
A rra y
A rra y
A rra y
B a n k 0
B a n k 1
B a n k 2
B a n k 3
8 1 9 6
8 1 9 2
8 1 9 2
8 1 9 2
x 2 0 4 8
x 2 0 4 8
x 2 0 4 8
x 2 0 4 8
x 4 B it
x 4 B it
x 4 B it
x 4 B it
In p u t B u ffe r
O u tp u t B u ffe r
C o n tro l L o g ic &
T im in g G e n e ra to r
D Q 0 - D Q 3
S P B 0 4 1 2 7 _2
Block Diagram for 64M x 4 SDRAM ( 13 / 11 / 2 addressing)
INFINEON Technologies
5
2002-04-23