HYB514400BJ-50- SIEMENS [Siemens Semiconductor Group], HYB514400BJ-50- Datasheet - Page 4

• Manufacturer Part Number: HYB514400BJ-50-
• Description: 1M x 4-Bit Dynamic RAM
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Block Diagram
Semiconductor Group
WE
CAS
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
RAS
10
10
&
Counter (10)
Buffers (10)
Buffers (10)
No.2 Clock
No.1 Clock
Generator
Generator
Controller
Address
Address
Refresh
Refresh
Column
Row
10
4
Decoder
Data In
Buffer
Row
I/O1 I/O2
4
Substrate Bias
1024
10
Generator
. .
.
. . .
I/O3
HYB 514400BJ-50/-60
I/O4
Data Out
Buffer
1024
Sense Amplifier
Memory Array
I/O Gating
Column
Decoder
1024
x
1024
4
x
1M
4
V
V
CC
SS
x
OE
4
1998-10-01
4 DRAM
SPB02798
4