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SN54ACT8990 Datasheet(PDF) 7 Page - Texas Instruments

Part # SN54ACT8990
Description  TEST-BUS CONTROLLERS IEEE STD 1149.1 (JTAG) TAP MASTERS WITH 16-BIT GENERIC HOST INTERFACES
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN54ACT8990 Datasheet(HTML) 7 Page - Texas Instruments

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SN54ACT8990, SN74ACT8990
TEST-BUS CONTROLLERS
IEEE STD 1149.1 (JTAG) TAP MASTERS WITH 16-BIT GENERIC HOST INTERFACES
SCAS190E – JUNE 1990 – REVISED JANUARY 1997
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TA = 25°C
SN54ACT8990
SN74ACT8990
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
MIN
MAX
MIN
MAX
UNIT
VCC =4 5V
IOH = –20 µA
4.4
4.4
4.4
VOH
VCC = 4.5 V
IOH = –8 mA
3.7
3.7
3.7
V
VOH
VCC =5 5V
IOH = –20 µA
5.4
5.4
5.4
V
VCC = 5.5 V
IOH = –8 mA
4.7
4.7
4.7
VOL
VCC = 4.5 V
IOL = 20 µA
0.1
0.1
0.1
V
VOL
CC
to 5.5 V
IOL = 8 mA
0.5
0.5
0.5
V
I
ADRS, RD,
WR, TCKI
VCC = 5.5 V,
VI = VCC or GND
±1
±1
±1
A
II
TDI, TOFF,
VCC =5 5V
VI = VCC
±1
±1
±1
µA
TDI, TOFF,
TRST
VCC = 5.5 V
VI = GND
–35
–70
–250
–35
–250
–35
–250
I
INT, RDY, TCKO,
TDO, TMS
VCC = 5.5 V,
VO = VCC or GND
±10
±10
±10
A
IOZ‡
DATA,
VCC =5 5V
VO = VCC
±10
±10
±10
µA
,
TMS/EVENT
VCC = 5.5 V
VO = GND
–35
–70
–250
–35
–250
–35
–250
VCC = 5.5 V,
VI =VCC or GND
450*
450
450
µA
I
IO = 0,
VI = VCC or GND
450*
450
450
µA
ICC
VCC = 5.5 V,
CL = 50 pF
100
mA
fclock = 30 MHz
100
mA
Ci
VI = VCC or GND
5*
pF
Cio
VI = VCC or GND
9*
pF
Co
VI = VCC or GND
8*
pF
* On products compliant to MIL-PRF-38535, this parameter does not apply.
† Typical values are at VCC = 5 V.
‡ For I/O ports, the parameter IOZ includes the input leakage.


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