IDT71V3577YS_79YS, IDT71V3577YSA_79YSA, 128K x 36, 256K x 18, 3.3V Synchronous SRAMs with
3.3V I/O, Flow-Through Outputs, Burst Counter, Single Cycle Deselect
Commercial and Industrial Temperature Ranges
Pin Configuration – 128K x 36, 119 BGA
1
2
3
4
5
6
7
DDQ
6
4
8
16
DDQ
V
A
B
C
D
E
F
V
A
A
A
A
A
A
A
ADSP
ADSC
3
2
9
1
CS
NC
NC
CS
NC
NC
0
7
A
DD
V
12
15
A
A
16
I/O
P3
I/O
SS
SS
SS
SS
SS
SS
P2
I/O
15
I/O
V
V
V
NC
CE
V
V
V
17
I/O
18
I/O
13
I/O
14
I/O
DDQ
19
I/O
12
I/O
DDQ
V
V
V
V
V
V
OE
20
I/O
21
I/O
3
2
BW
11
I/O
10
I/O
G
H
J
BW
ADV
GW
22
I/O
23
I/O
SS
SS
9
I/O
8
I/O
V
V
DDQ
24
DD
DD
V
DD
V
DDQ
V
NC
NC
26
I/O
SS
SS
6
I/O
7
I/O
I/O
V
CLK
NC
V
K
L
25
I/O
27
I/O
4
1
4
I/O
5
I/O
BW
BW
DDQ
29
28
I/O
SS
V
SS
V
3
I/O
DDQ
M
N
P
R
T
BWE
30
I/O
SS
SS
1
0
SS
SS
SS
2
I/O
1
I/O
I/O
V
A
V
V
V
A
P1
I/O
31
P4
I/O
0
I/O
I/O
NC
V
A
5
A
DD
V
13
A
NC
LBO
(3)
10
11
A
14
NC
NC
A
NC
ZZ
(2)
(2)
(2)
(2)
(2,4)
DDQ
V
NC/TDO
DDQ
V
NC/TMS
NC/TDI
NC/TCK
NC/TRST
U
6450 drw 02c
Top View
Pin Configuration – 256K x 18, 119 BGA
1
2
3
4
5
6
7
DDQ
6
4
8
16
DDQ
V
V
A
A
A
A
A
A
A
B
C
D
E
F
ADSP
ADSC
3
2
9
A
1
CS
NC
NC
CS
NC
NC
NC
0
7
A
DD
V
13
17
A
A
8
I/O
SS
SS
SS
SS
SS
SS
SS
SS
P1
I/O
NC
V
V
V
NC
CE
V
V
V
V
V
9
7
I/O
NC
DDQ
I/O
NC
NC
6
I/O
DDQ
V
V
OE
10
2
BW
5
I/O
NC
I/O
NC
NC
G
H
J
ADV
GW
11
I/O
SS
4
I/O
V
NC
DDQ
V
DD
DD
V
DD
DDQ
V
V
NC
NC
V
12
SS
SS
3
K
L
NC
I/O
V
V
CLK
NC
V
NC
I/O
SS
13
I/O
1
2
I/O
NC
NC
BW
DDQ
14
SS
SS
SS
SS
SS
SS
SS
DDQ
V
V
I/O
V
V
V
V
V
V
NC
M
N
P
R
T
BWE
15
I/O
1
0
1
I/O
NC
A
NC
0
I/O
P2
NC
NC
NC
DDQ
I/O
A
NC
5
DD
V
12
A
A
V
A
NC
LBO
(3)
10
15
14
11
A
A
A
NC
ZZ
(2)
(2)
(2)
(2)
(2,4)
NC/TDO
DDQ
V
NC/TMS
NC/TDI
NC/TCK
NC/TRST
U
V
6450 drw 02d
,
Top View
NOTES:
1. R5 does not have to be directly connected to VSS as long as the input voltage is < VIL.
2. These pins are NC for the "S" version or the JTAG signal listed for the "SA" version. Note: If NC, these pins can either be tied to VSS, VDD or left floating.
3. T7 can be left unconnected and the device will always remain in active mode.
4. TRST is offered as an optional JTAG Reset if required in the application. If not needed, can be left floating and will internally be pulled to VDD.
6.42
7