GS8644Z18 ETC [List of Unclassifed Manufacturers], GS8644Z18 Datasheet - Page 7

• Manufacturer Part Number: GS8644Z18
• Description: 72Mb Pipelined and Flow Through Synchronous NBT SRAM
• Manufacturer: ETC [List of Unclassifed Manufacturers]

Rev: 1.03 11/2004
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
GS8644Z18/36 119-Bump BGA Pin Description
B
A
Symbol
, B
A
V
TMS
TDO
DQ
DQ
DQ
DQ
CKE
ADV
LBO
TCK
V
V
B
TDI
NC
CK
ZQ
0
ZZ
E
E
E
FT
DDQ
W
G
A
, B
, A
DD
SS
1
3
2
C
D
A
B
1
C
, B
D
Type
I/O
—
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Low = Low Impedance [High Drive], High = High Impedance [Low Drive])
Byte Write Enable for DQ
7/39
Address field LSBs and Address Counter Preset Inputs
Flow Through or Pipeline mode; active low
Burst address counter advance enable
GS8644Z18(B/E)/GS8644Z36(B/E)/GS8644Z72(C)
FLXDrive Output Impedance Control
Linear Burst Order mode; active low
Sleep mode control; active high
Clock Input Signal; active high
Data Input and Output pins
Output driver power supply
Output Enable; active low
Clock Enable; active low
Write Enable; active low
Chip Enable; active high
Chip Enable; active low
Chip Enable; active low
Scan Test Mode Select
I/O and Core Ground
Scan Test Data Out
Core power supply
Scan Test Data In
Scan Test Clock
Address Inputs
Description
No Connect
A
, DQ
B
, DQ
C
, DQ
D
I/Os; active low
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BPR1999.05.18