Table of Contents
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IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION
IC9 : HY57V641620HG D RAM-(1)
PIN CONFIGURATION
PIN DESCRIPTION
P I N
C L K
C l o c k
C K E
C l o c k E n a b l e
C S
C h i p S e l e c t
B A 0 , B A 1
B a n k A d d r e s s
A 0 ~ A 1 1
A d d r e s s
R o w A d d r e s s S t r o b e ,
R A S , C A S , W E
C o l u m n A d d r e s s S t r o b e ,
W r i t e E n a b l e
L D Q M , U D Q M
D a t a I n p u t / O u t p u t M a s k
D Q 0 ~ D Q 1 5
D a t a I n p u t / O u t p u t
V
/V
P o w e r S u p p l y / G r o u n d
D D
S S
V
/V
D a t a O u t p u t P o w e r / G r o u n d
D D Q
S S Q
N C
N o C o n n e c t i o n
VDD
1
D Q 0
2
VDDQ
3
D Q 1
4
D Q 2
5
VSSQ
6
D Q 3
7
D Q 4
8
VDDQ
9
D Q 5
1 0
D Q 6
1 1
VSSQ
1 2
D Q 7
1 3
VDD
1 4
L D Q M
1 5
/ W E
1 6
/ C A S
1 7
/ R A S
1 8
/ C S
1 9
B A 0
2 0
B A 1
2 1
A 1 0 / A P
2 2
A 0
2 3
A 1
2 4
A 2
2 5
A 3
2 6
VDD
2 7
P I N N A M E
T h e s y s t e m c l o c k i n p u t . A l l o t h e r i n p u t s a r e r e g i s t e r e d t o t h e S D R A M o n t h e
r i s i n g e d g e o f C L K
C o n t r o l s i n t e r n a l c l o c k s i g n a l a n d w h e n d e a c t i v a t e d , t h e S D R A M w i l l b e o n e
o f t h e s t a t e s a m o n g p o w e r d o w n , s u s p e n d o r s e l f r e f r e s h
E n a b l e s o r d i s a b l e s a l l i n p u t s e x c e p t C L K , C K E a n d D Q M
S e l e c t s b a n k t o b e a c t i v a t e d d u r i n g R A S a c t i v i t y
S e l e c t s b a n k t o b e r e a d / w r i t t e n d u r i n g C A S a c t i v i t y
R o w A d d r e s s : R A 0 ~ R A 1 1 , C o l u m n A d d r e s s : C A 0 ~ C A 7
A u t o - p r e c h a r g e f l a g : A 1 0
R A S , C A S a n d W E d e f i n e t h e o p e r a t i o n
R e f e r f u n c t i o n t r u t h t a b l e f o r d e t a i l s
C o n t r o l s o u t p u t b u f f e r s i n r e a d m o d e a n d m a s k s i n p u t d a t a i n w r i t e m o d e
M u l t i p l e x e d d a t a i n p u t / o u t p u t p i n
P o w e r s u p p l y f o r i n t e r n a l c i r c u i t s a n d i n p u t b u f f e r s
P o w e r s u p p l y f o r o u t p u t b u f f e r s
N o c o n n e c t i o n
5 4
V SS
5 3
D Q 1 5
5 2
V SSQ
5 1
D Q 1 4
5 0
D Q 1 3
4 9
V DDQ
4 8
D Q 1 2
4 7
D Q 1 1
4 6
V SSQ
4 5
D Q 1 0
4 4
D Q 9
4 3
V DDQ
4 2
D Q 8
54pin TSOP II
400mil x 875mil
4 1
V SS
0.8mm pin pitch
4 0
N C
3 9
U D Q M
3 8
C L K
3 7
C K E
3 6
N C
3 5
A 1 1
3 4
A 9
3 3
A 8
3 2
A 7
3 1
A 6
3 0
A 5
2 9
A 4
2 8
V SS
D E S C R I P T I O N
DV-SP302
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