QL4058-4PQ240C View Datasheet(PDF) - QuickLogic Corporation
Part Name
Description
MFG CO.
QL4058-4PQ240C
QuickLogic Corporation
'QL4058-4PQ240C' PDF : 23 Pages View PDF
Pin Descriptions
QL4058 QuickRAM Data Sheet Rev H
Table 12: Pin Descriptions
Pin
Function
Description
TDI/RSI
Test Data In for JTAG /RAM
init. Serial Data In
TRSTB/RRO
Active low Reset for JTAG
/RAM init. reset out
Hold HIGH during normal operation. Connects to
serial PROM data in for RAM initialization. Connect
to VCC if unused.
Hold LOW during normal operation. Connects to
serial PROM reset for RAM initialization. Connect to
GND if unused.
TMS
Test Mode Select for JTAG
Hold HIGH during normal operation. Connect to
VCC if not used for JTAG.
TCK
TDO/RCO
Test Clock for JTAG
Test data out for JTAG /RAM
init. clock out
Hold HIGH or LOW during normal operation.
Connect to VCC or ground if not used for JTAG.
Connect to serial PROM clock for RAM
initialization. Must be left unconnected if not used for
JTAG or RAM initialization.
STM
Special Test Mode
Must be grounded during normal operation.
I/ACLK
High-drive input and/or array
network driver
Can be configured as either or both.
I/GCLK
High-drive input and/or global
network driver
Can be configured as either or both.
I
High-drive input
Use for input signals with high fanout.
I/O
Input/Output pin
Can be configured as an input and/or output.
VCC
Power supply pin
Connect to 3.3 V supply.
VCCIO Input voltage tolerance pin
Connect to 5.0 V supply if 5 V input tolerance is
required, otherwise connect to 3.3 V supply.
GND
Ground pin
Connect to ground.
GND/THERM Ground/Thermal pin
Available on 456-PBGA only. Connect to ground
plane on PCB if heat sinking desired. Otherwise may
be left unconnected.
Ordering Information
QL 4058 - 1 PQ208 C
QuickLogic device
Operating Range
QuickRAM device
C = Commercial
part number
Speed Grade
I = Industrial
M = Military
0 = Quick
Package Code
1 = Fast
PQ208 = 208-pin PQFP
2 = Faster
PQ240 = 240-pin PQFP
3 = Faster
PB456 = 456-pin PBGA
*4 = Wow
* Contact QuickLogic regarding availabliity
© 2002 QuickLogic Corporation
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