HYB5117400BJ-50- SIEMENS [Siemens Semiconductor Group], HYB5117400BJ-50- Datasheet - Page 4

• Manufacturer Part Number: HYB5117400BJ-50-
• Description: 4M x 4-Bit Dynamic RAM
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Block Diagram
Semiconductor Group
A10
A0
A2
A3
A4
A5
A6
A7
A8
A9
A1
WE
CAS
RAS
11
11
.
No. 1 Clock
Generator
No. 2 Clock
Column
Buffer(11)
Controller
Counter (11)
Generator
Refresh
Refresh
Buffers(11)
Address
Row
Address
11
&
11
4
Voltage Down
Generator
Decoder
Row
Data in
Buffer
HYB 5117400BJ/BT-50/-60/-70
I/O1 I/O2 I/O3 I/O4
2048
4
11
Sense Amplifier
I/O Gating
Memory Array
2048x2048x4
Decoder
Column
Data out
VCC
VCC (internal)
Buffer
2048
x4
4M x 4-DRAM
4
OE
4