User Guide

52
Q020, Q021 : EDS2516ADTA-75
u
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
VSS
DQ15
VSSQ
DQ14
DQ13
VDDQ
DQ12
DQ11
VSSQ
DQ10
DQ9
VDDQ
DQ8
VSS
NC
UDQM
CLK
CKE
A12
A11
A9
A8
A7
A6
A5
A4
VSS
VDD
DQ0
VDDQ
DQ1
DQ2
VSSQ
DQ3
DQ4
VDDQ
DQ5
DQ6
VSSQ
DQ7
VDD
LDQM
/WE
/CAS
/RAS
/CS
BA0
BA1
A10
A0
A1
A2
A3
VDD
54-pin Plastic TSOP (II)
(Top view)
u
Address input
Bank select address
Data-input/output
Chip select
Row address strobe
Column address strobe
Write enable
Input/output mask
Clock enable
Clock input
Power for internal circuit
Ground for internal circuit
Power for DQ circuit
Ground for DQ circuit
No connection
A0 to A12
BA0, BA1
DQ0 to DQ15
/CS
/RAS
/CAS
/WE
UDQM,LDQM
CKE
CLK
VDD
VSS
VDDQ
VSSQ
NC
Clock
Generator
/CS
/RAS
/CAS
/WE
Column
Address
Buffer
&
Burst
Counter
Row
Address
Buffer
&
Refresh
Counter
Column Decoder &
Latch Circuit
CLK
CKE
Address
Command Decoder
Control Logic
Mode
Register
Data Control Circuit
Sense Amplifier
UDQM and LDQM
Latch Circuit
Input & Output Buffer
Bank 3
Bank 2
Bank 1
Bank 0
Row Decoder
DQ