GS832418B Datasheet, PDF (5/46 Pages) GSI Technology – 2M x 18, 1M x 36, 512K x 72 36Mb S/DCD Sync Burst SRAMs

Preliminary
GS832418(B/C)/GS832436(B/C)/GS832472(C)
GS832418/36/72 209-Bump BGA Pin Description
Pin Location
W6, V6
W7, W5, V9, V8, V7, V5, V4, V3, U8, U7, U6,
U5, U4, A3, B7, A9, U9
B5
C7
L11, M11, N11, P11, L10, M10, N10, P10, R10
A10, B10, C10, D10, A11, B11, C11, D11, E11
J1, H1, G1, F1, J2, H2, G2, F2, E2
W2, V2, U2, T2, W1, V1, U1, T1, R1
W10, V10, U10, T10, W11, V11, U11, T11, R11
J11, H11, G11, F11, J10, H10, G10, F10, E10
A2, B2, C2, D2, A1, B1, C1, D1, E1
L1, M1, N1, P1, L2, M2, N2, P2, R2
L11, M11, N11, P11, L10, M10, N10, P10, R10
A10, B10, C10, D10, A11, B11, C11, D11, E11
J1, H1, G1, F1, J2, H2, G2, F2, E2
W2, V2, U2, T2, W1, V1, U1, T1, R1
L11, M11, N11, P11, L10, M10, N10, P10, R10
J1, H1, G1, F1, J2, H2, G2, F2, E2
C9, B8
Symbol
A0, A1
An
A19
A20
DQA1–DQA9
DQB1–DQB9
DQC1–DQC9
DQD1–DQD9
DQE1–DQE9
DQF1–DQF9
DQG1–DQG9
DQH1–DQH9
DQA1–DQA9
DQB1–DQB9
DQC1–DQC9
DQD1–DQD9
DQA1–DQA9
DQB1–DQB9
BA, BB
Type
I
I
I
I
I/O
I/O
I/O
I
B3, C4
BC,BD
I
C8, B9, B4, C3
BE, BF, BG,BH I
B5
NC
—
C7
NC
—
W10, V10, U10, T10, W11, V11, U11, T11, R11
J11, H11, G11, F11, J10, H10, G10, F10, E10
A2, B2, C2, D2, A1, B1, C1, D1, E1
NC
—
L1, M1, N1, P1, L2, M2, N2, P2, R2, C8, B9,
B4, C3
B3, C4
NC
—
C5, D4, D5, D8, K1, K2, K4, K8, K9, K10, K11,
T4, T5, T7, T8, U3
NC
—
K3
CK
I
D7
GW
I
C6
E1
I
A8
E3
I
A4
E2
I
Description
Address field LSBs and Address Counter Preset Inputs.
Address Inputs
Address Inputs (x36/x18 Versions)
Address Inputs (x18 Version)
Data Input and Output pins (x72 Version)
Data Input and Output pins (x36 Version)
Data Input and Output pins (x18 Version)
Byte Write Enable for DQA, DQB I/Os; active low
Byte Write Enable for DQC, DQD I/Os; active low
(x72/x36 Versions)
Byte Write Enable for DQE, DQF, DQG, DQH I/Os; active low
(x72 Version)
No Connect (x72 Version)
No Connect (x72/x36 Versions)
No Connect (x36/x18 Versions)
No Connect (x18 Version)
No Connect
Clock Input Signal; active high
Global Write Enable—Writes all bytes; active low
Chip Enable; active low
Chip Enable; active low (x72/x36 Versions)
Chip Enable; active high (x72/x36 Versions)
Rev: 1.00 10/2001
5/46
© 2001, Giga Semiconductor, Inc.
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.