GS4576C09/18/36L
Ball Descriptions (Continued)
Symbol
Type
Description
Output
Data Valid—The QVLD pin indicates valid output data. QVLD is edge-aligned with QKx and QKx.
QVLD
IEEE 1149.1 Test Output—JTAG output. This ball may be left as no connect if the JTAG function is not
Output
Supply
Supply
TDO
used.
Power Supply—Nominally, 1.8 V. See the DC Electrical Characteristics and Operating Conditions
V
DD
section for range.
DQ Power Supply—Nominally, 1.5 V or 1.8 V. Isolated on the device for improved noise immunity. See
V
DDQ
the DC Electrical Characteristics and Operating Conditions section for range.
Power Supply—Nominally, 2.5 V. See the DC Electrical Characteristics and Operating Conditions
V
Supply
Supply
—
EXT
section for range.
V
Ground
SS
Power Supply—Isolated termination supply. Nominally, V /2. See the DC Electrical Characteristics
DDQ
V
TT
and Operating Conditions section for range.
—
—
—
Reserved for Future Use—This signal is not connected and may be connected to ground.
Do Not Use—These balls may be connected to ground.
A22
DNU
NF
No Function—These balls can be connected to ground.
Rev: 1.04 11/2013
6/62
© 2011, GSI Technology
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
GSI [ GSI TECHNOLOGY ]
