Preliminary
GS84018/32/36AT/B-180/166/150/100
BGA Pin Description
Pin Location
Symbol
Type
Description
N4, P4
A0, A1
I
Address field LSBs and Address Counter Preset Inputs
A2, A3, A5, A6, B3, B5, C2, C3, C5,
C6, R2, R6, T3, T5
An
I
Address Inputs
T4
An
NC
An
Address Input (x32/36 Versions)
No Connect (x32/36 Versions)
Address Input (x18 Version)
T2, T6
T2, T6
-
I
K7, K6, L7, L6, M6, N7, N6, P7
H7, H6, G7, G6, F6, E7, E6, D7
H1, H2, G1, G2, F2, E1, E2, D1
K1, K2, L1, L2, M2, N1, N2, P1
DQA1-DQA8
DQB1-DQB8
DQC1-DQC8
DQD1-DQD8
I/O
Data Input and Output pins (x32/36 Versions)
Data Input and Output pins (x36 Version)
DQA9, DQB9,
DQC9, DQD9
P6, D6, D2, P2
I/O
P6, D6, D2, P2
L5, G5, G3, L3
NC
-
I
No Connect (x32 Version)
BA, BB, BC, BD
Byte Write Enable for DQA, DQB, DQC, DQD I/O’s; active low ( x36 Version)
P7, N6, L6, K7, H6, G7, F6, E7, D6
D1, E2, G2, H1, K2, L1, M2, N1, P2
DQA1-DQA9
DQB1-DQB9
I/O
Data Input and Output pins (x18 Version)
Byte Write Enable for DQA, DQB I/O’s; active low ( x18 Version)
No Connect
L5, G3
BA, BB
I
B1, C1, R1, T1, U2, J3, U3, D4, L4,
U4, J5, U5, U6, B7, C7, R7
NC
-
P6, N7, M6, L7, K6, H7, G6, E6, D7,
D2, B1, E1, F2, G1, H2, K1, L2, N2,
P1, G5, L3, T4
NC
-
No Connect (x18 Version)
K4
CK
BW
I
I
I
I
I
I
I
I
I
I
I
I
Clock Input Signal; active high
Byte Write—Writes all enabled bytes; active low
Global Write Enable—Writes all bytes; active low
Chip Enable; active low
M4
H4
GW
E4, B6
E1, E3
E2
B2
Chip Enable; active high
F4
G
Output Enable; active low
G4
ADV
ADSP, ADSC
ZZ
Burst address counter advance enable; active low
Address Strobe (Processor, Cache Controller); active low
Sleep Mode control; active high
A4, B4
T7
R5
R3
FT
Flow Through or Pipeline mode; active low
Linear Burst Order mode; active low
Core power supply
LBO
VDD
J2, C4, J4, R4, J6
D3, E3, F3, H3, K3, M3, N3, P3, D5,
E5, F5, H5, K5, M5, N5, P5
VSS
I
I
I/O and Core Ground
A1, F1, J1, M1, U1, A7, F7, J7, M7,
U7
VDDQ
Output driver power supply
Rev: 1.12 7/2002
9/31
© 1999, Giga Semiconductor, Inc.
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com
GSI [ GSI TECHNOLOGY ]
