HYB5117800BSJ-50- Datasheet, PDF (3/23 Pages) Siemens Semiconductor Group – 2M x 8 - Bit Dynamic RAM 2k Refresh

HYB 5(3)117800/BSJ-50/-60
2M × 8 DRAM
I/O1 I/O2
I/O8
WE
&
CAS
No.2 Clock
Generator
10
Column
Address
A0
Buffers (10)
A1
A2
Refresh
A3
Controller
A4
A5
A6
Refresh
A7
Counter (11)
A8
A9
11
A10
11
Row
Address
Buffers (11)
RAS
No.1 Clock
Generator
Block Diagram
Data IN
Buffer
8
Data OUT
Buffer
OE
8
10
Column
Decoder
Sense Amplifier
4
I/O Gating
1024
x8
11
Row
Decoder
2048
Memory Array
2048 x 1024 x 8
Voltage Down
Generator
SPB03456
V_CC
V_CC
(internal)
Semiconductor Group
3
1998-10-01