XL-HP535H/HP535E
8 – 9
IC4 VHiL8316V35-1 D-RAM (L8316V35)
IC4 VHiLV1625635T D-RAM (LV1625635T)
IC4 VHiLV1625635T D-RAM (LV1625635T)
Terminal Name
Function
A0-A8
Address Inputs
I/O0-15
Data Inputs/Outputs
WE
Write Enable
OE
Output Enable
RAS
Row Address Strobe
UCAS
Upper Column Address Strobe
LCAS
Lower Column Address Strobe
VCC
Power
GND
Ground
NC
No Connection
Terminal Name
Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
VCC
I/O0
I/O1
I/O2
I/O3
VCC
I/O4
I/O5
I/O6
I/O7
NC
NC
WE
RAS
NC
A0
A1
A2
A3
VCC
GND
I/O15
I/O14
I/O13
I/O12
GND
I/O11
I/O10
I/O9
I/O8
NC
LCAS
UCAS
OE
A8
A7
A6
A5
A4
GND
CAS
CLOCK
CAS
WE
GENERATOR
WE
CONTROL
LOGICS
OE
CONTROL
OE
LOGIC
GENERATOR
RAS
CLOCK
REFRESH
COUNTER
ADDRESS
MEMORY ARRAY
I/O0-I/O15
SENSE AMPLIFIERS
COLUMN DECODERS
DATA I/O BUS
262,144 x 16
ROW
DECODER
DATA
I/O
BUFFERS
BUFFERS
OE
WE
LCAS
UCAS
RAS
A0-A8
RAS
Figure 4 BLOCK DIAGRAM OF IC
Summary of Contents for Illustration XL-HP535E
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