IS61SPD25632T Datasheet, PDF (7/22 Pages) Integrated Silicon Solution, Inc – 256K x 32, 256K x 36, 512K x 18 SYNCHRONOUS PIPELINE, DOUBLE-CYCLE DESELECT STATIC RAM

IS61SPD25632T/D IS61LPD25632T/D
IS61SPD25636T/D IS61LPD25636T/D
IS61SPD51218T/D IS61LPD51218T/D
ISSI ^®
PIN CONFIGURATION
119-pin PBGA (Top View)
1
2
3
4
5
6
7
A
VCCQ
A6
A4
ADSP
A8
A16 VCCQ
B
NC
CE2
A3 ADSC A9
A18
NC
C
NC
A7
A2
VCC
A12
A15
NC
D
DQb1
NC
GND
NC
GND DQPa NC
E
NC
DQb2 GND
CE
GND
NC
DQa8
F
VCCQ NC
GND
OE
GND DQa7 VCCQ
G
NC
DQb3 BWb ADV GND
NC
DQa6
H
DQb4
NC
GND
GW
GND DQa5
NC
J
VCCQ VCC
NC
VCC
NC
VCC VCCQ
K
NC
DQb5 GND CLK GND
NC
DQa4
L
DQb6
NC
GND
NC
BWa DQa3 NC
M
VCCQ DQb7
GND
BWE
GND
NC VCCQ
N
DQb8
NC
GND
A1
GND DQa2 NC
P
NC
DQPb GND
A0
GND
NC DQa1
R
NC
A5 MODE VCC
NC
A13
NC
T
NC
A11
A10
NC
A14
A17
ZZ
U
VCCQ NC
NC
NC
NC
NC VCCQ
100-Pin TQFP (D Version)
NC
NC
NC
VCCQ
GND
NC
NC
DQb1
DQb2
GND
VCCQ
DQb3
DQb4
VCC
VCC
NC
GND
DQb5
DQb6
VCCQ
GND
DQb7
DQb8
DQPb
NC
GND
VCCQ
NC
NC
NC
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
1
80
2
79
3
78
4
77
5
76
6
75
7
74
8
73
9
72
10
71
11
70
12
69
13
68
14
67
15
66
16
65
17
64
18
63
19
62
20
61
21
60
22
59
23
58
24
57
25
56
26
55
27
54
28
53
29
52
30
51
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
A17
NC
NC
VCCQ
GND
NC
DQPa
DQa8
DQa7
GND
VCCQ
DQa6
DQa5
GND
NC
VCC
ZZ
DQa4
DQa3
VCCQ
GND
DQa2
DQa1
NC
NC
GND
VCCQ
NC
NC
NC
512K x 18
PIN DESCRIPTIONS
A0, A1
A2-A18
CLK
ADSP
ADSC
ADV
BWa-BWb
BWE
Synchronous Address Inputs. These
pins must tied to the two LSBs of the
address bus.
Synchronous Address Inputs
Synchronous Clock
Synchronous Processor Address
Status
Synchronous Controller Address
Status
Synchronous Burst Address Advance
Synchronous Byte Write Enable
Synchronous Byte Write Enable
GW
CE, CE2
OE
DQa-DQb
MODE
VCC
GND
VCCQ
ZZ
DQPa-DQPb
Synchronous Global Write Enable
Synchronous Chip Enable
Output Enable
Synchronous Data Input/Output
Burst Sequence Mode Selection
+3.3V Power Supply
Ground
Isolated Output Buffer Supply:
+3.3V or 2.5V
Snooze Enable
Parity Data I/O DQPa is parity for DQa1-8;
DQPb is parity for DQb1-8
Integrated Silicon Solution, Inc. — 1-800-379-4774
7
PRELIMINARY INFORMATION Rev. 00A
04/17/01