HYB5116400BJ-50- Datasheet, PDF (4/26 Pages) Siemens Semiconductor Group – 4M x 4-Bit Dynamic RAM

HYB 5116400BJ/BT-50/-60/-70
4M x 4-DRAM
I/O1 I/O2 I/O3 I/O4
WE
. _CAS
&
No. 2 Clock
Generator
Data in
Buffer
4
Data out
Buffer
OE
4
Column
10 _Address
A0
Buffer(10)
A1
10
Column
Decoder
A2
A3
Refresh
A4
Controller
A5
Sense Amplifier
I/O Gating
4
A6
A7
Refresh
A8
Counter (12)
A9
A10
12
1024
x4
A11
Row
Row
Memory Array
12 _Address
12 _Decoder 4096 _4096x1024x4
Buffers(12)
RAS
No. 1 Clock
Generator
Voltage Down
Generator
VCC
VCC (internal)
Block Diagram
Semiconductor Group
4