HYB314400BJ-50- Datasheet, PDF (4/25 Pages) Siemens Semiconductor Group – 1M x 4-Bit Dynamic RAM

HYB 314400BJ-50/-60
3.3 V 1M × 4 DRAM
I/O1 I/O2 I/O3 I/O4
WE
&
CAS
No.2 Clock
Generator
10
Column
Address
Buffers (10)
A0
A1
A2
Refresh
A3
Controller
A4
A5
A6
Refresh
Counter (10)
A7
A8
A9
10
Row
Address
Buffers (10)
RAS
No.1 Clock
Generator
Block Diagram
Data In
Buffer
4
Data Out
Buffer
OE
4
10
Column
Decoder
Sense Amplifier
4
I/O Gating
1024
x4
10
.._.
Row
Decoder
1024
...
Memory Array
1024 x 1024 x 4
SPB02831
Semiconductor Group
4
1998-10-01