TXC-04222-AIOG Transwitch Corporation, TXC-04222-AIOG Datasheet - Page 27

• Manufacturer Part Number: TXC-04222-AIOG
• Manufacturer: Transwitch Corporation

Specifications of TXC-04222-AIOG

• Screening Level: Industrial
• Package Type: BGA
• Lead Free Status / Rohs Status: Not Compliant

TRANSWITCH TEST LEADS
Symbol Lead No.
Symbol Lead No.
TESTO
TESTI
TMS
TDO
TRS
TDI
W3, Y1,
U4, V4,
V2, V3,
W2, Y2
AA1
AA2
AB2
Proprietary TranSwitch Corporation Information for use Solely by its Customers
W5
Y4
I/O/P
I/O/P
O(T)
O(T)
I
I
I
I
CMOS3V
CMOS3V
TTL3Vp IEEE 1149.1 Test Port Mode Select: TMS is sampled on the rising
TTL3Vp IEEE 1149.1 Test Port Serial Scan Data In: Serial test instructions
TTL3Vp IEEE 1149.1 Test Port Reset Lead: This lead will asynchronously
TTL3Vd TranSwitch Test Input Leads: For TranSwitch testing purposes
Type
4mA
Type
4 mA
edge of TCK, and is used to place the Test Access Port controller
into various states as defined in IEEE 1149.1. This lead is set high
internally by an internal pull-up to VDD2 for normal operation.
and data are clocked into this lead on the rising edge of TCK. This
input has an internal pull-up to VDD2.
IEEE 1149.1 Test Port Serial Scan Data Out: Serial test instruc-
tions and data are clocked out of this lead on the falling edge of TCK.
When inactive, this 3-state output will be put into its high impedance
state.
reset the Test Access Port (TAP) controller. This lead must be held
low, asserted low or pulsed low (for a minimum duration of 20 ns) to
reset the TAP controller on TEMx28 power-up. This input has an
internal pull-up to VDD2. Failure to perform a TAP controller reset
may cause the TAP controller to take control of some of the TEMx28
output leads.
only. These leads have an internal pull down to GND and should be
held low.
TranSwitch Test Output Leads: For TranSwitch testing purposes
only. These leads should be left open (floating).
DATA SHEET
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Name/Function
Name/Function
TXC-04222-MB, Ed. 6
TXC-04222
TEMx28
June 2003