HYB5117805BSJ-50- Datasheet, PDF (4/25 Pages) Siemens Semiconductor Group – 2M x 8 - Bit Dynamic RAM 2k Refresh

HYB5117805BSJ-50/-60/-70
2M x 8-EDO DRAM
I/O1 I/O2
I/O8
WE
. _CAS
&
No. 2 Clock
Generator
Data in
Buffer
8
Data out
Buffer
OE
8
Column
10 _Address
A0
Buffer(10)
A1
10
Column
Decoder
A2
A3
Refresh
A4
Controller
A5
Sense Amplifier ⁸
I/O Gating
A6
A7
Refresh
A8
Counter (11)
A9
A10
11
1024
x8
Row
11 _Address
Buffers(11)
Row
Memory Array
11 _Decoder 2048 _2048x1024x8
RAS
No. 1 Clock
Generator
Voltage Down
Generator
VCC
VCC (internal)
Block Diagram
Semiconductor Group
4