Table 23-2. Recommended DC Operating Conditions (continued)
UnitMaxNomMinParameter NameParameter
V--2.4High-level output voltageV
OH
V0.4--Low-level output voltageV
OL
High-level source current, V
OH
=2.4 V
a
I
OH
mA---2.02-mA Drive
mA---4.04-mA Drive
mA---8.08-mA Drive
Low-level sink current, V
OL
=0.4 V
a
I
OL
mA--2.02-mA Drive
mA--4.04-mA Drive
mA--8.08-mA Drive
mA--18.08-mA Drive, V
OL
=1.2 V
a. I
O
specifications reflect the maximum current where the corresponding output voltage meets the V
OH
/V
OL
thresholds. I
O
current can exceed these limits (subject to absolute maximum ratings).
23.3 Load Conditions
Unless otherwise specified, the following conditions are true for all timing measurements.
Figure 23-1. Load Conditions
23.4 JTAG and Boundary Scan
Table 23-3. JTAG Characteristics
UnitMaxNomMinParameter NameParameterParameter
No.
MHz10-0TCK operational clock frequency
a
F
TCK
J1
ns--100TCK operational clock periodT
TCK
J2
ns-t
TCK
/2-TCK clock Low timeT
TCK_LOW
J3
ns-t
TCK
/2-TCK clock High timeT
TCK_HIGH
J4
ns10-0TCK rise timeT
TCK_R
J5
ns10-0TCK fall timeT
TCK_F
J6
ns--20TMS setup time to TCK riseT
TMS_SU
J7
ns--20TMS hold time from TCK riseT
TMS_HLD
J8
ns--25TDI setup time to TCK riseT
TDI_SU
J9
ns--25TDI hold time from TCK riseT
TDI_HLD
J10
July 24, 2012982
Texas Instruments-Production Data
Electrical Characteristics
OBSOLETE: TI has discontinued production of this device.