SCANSTA101SM National Semiconductor, SCANSTA101SM Datasheet - Page 20

• Manufacturer Part Number: SCANSTA101SM
• Description: IC,Test/JTAG Support,CMOS,BGA,49PIN,PLASTIC
• Manufacturer: National Semiconductor

Specifications of SCANSTA101SM

• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

www.national.com
Signal Name
TDI_SM
TDO_SM
TMS_SM
TCK_SM
TRST0_SM
TRST1_SM
TRIST_SM
No.
1
1
1
1
1
1
1
Pin Type
O
O
O
O
O
O
I
TABLE 16. Serial Scan Interface Signal Descriptions
FIGURE 11. PPI Write Cycle Timing Diagram
FIGURE 12. PPI Read Cycle Timing Diagram
Driver Type
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
up to 25
up to 25
up to 25
up to 25
Freq.
MHz
N/A
N/A
N/A
20
ScanMaster Test Data Input (weak pullup)
ScanMaster Test Data Output
ScanMaster Test Mode Select
ScanMaster Test Clock
ScanMaster Test Reset
Redundant ScanMaster Test Reset (not bonded out)
The tristate notification pin exerts a high when TDO_SM is
tristated.
Description
10121537
10121538