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| 型号： | SN74ABT18504PMRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | ABT SERIES, 20-BIT BOUNDARY SCAN REG TRANSCEIVER, TRUE OUTPUT, PQFP64 |
| 封装： | GREEN, PLASTIC, LQFP-64 |
| 文件页数： | 19/32页 |
| 文件大小： | 505K |
| 代理商： | SN74ABT18504PMRG4 |
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SN54ABT18504, SN74ABT18504
SCAN TEST DEVICES WITH
20-BIT UNIVERSAL BUS TRANSCEIVERS
SCBS108B – AUGUST 1992 – REVISED JUNE 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
26
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TA = 25°C
SN54ABT18504
SN74ABT18504
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
V
VCC = 4.5 V,
IOH = – 3 mA
2.5
VOH
VCC = 5 V,
IOH = – 3 mA
3
V
VOH
VCC = 4.5 V,
IOH = – 24 mA
2
V
VCC = 4.5 V,
IOH = – 32 mA
2
VOL
VCC =4 5V
IOL = 48 mA
0.55
V
VOL
VCC = 4.5 V
IOL = 64 mA
0.55
V
II
VCC = 5.5 V,
VI =VCC or GND
CLK, CLKEN,
LE, OE, TCK
±1
A
I
VI = VCC or GND
A or B ports
±100
IIH
VCC = 5.5 V,
VI = VCC
TDI, TMS
10
A
IIL
VCC = 5.5 V,
VI = GND
TDI, TMS
–150
A
IOZH§
VCC = 5.5 V,
VO = 2.7 V
50
A
IOZL§
VCC = 5.5 V,
VO = 0.5 V
–50
A
IOZPU
VCC = 0 to 2 V,
VO = 2.7 V or 0.5 V
OE = 0.8 V
±50
A
IOZPD
VCC = 0 to 2 V,
VO = 2.7 V or 0.5 V
OE = 0.8 V
±50
A
Ioff
VCC = 0,
VI or VO ≤ 4.5 V
±100
±450
±100
A
ICEX
VCC = 5.5 V,
VO = 5.5 V
Outputs high
50
A
IO
VCC = 5.5 V,
VO = 2.5 V
–50
–110
– 200
–50
– 200
–50
– 200
mA
VCC = 5.5 V,
AB
Outputs high
3.5
5.5
ICC
VCC 5.5 V,
IO = 0,
A or B
ports
Outputs low
36
40
mA
VI = VCC or GND
orts
Outputs disabled
2.9
5
ICC#
VCC = 5.5 V,
One input at 3.4 V,
Other inputs at VCC or GND
50
A
Ci
VI = 2.5 V or 0.5 V
Control inputs
3
pF
Cio
VO = 2.5 V or 0.5 V
A or B ports
10
pF
Co
VO = 2.5 V or 0.5 V
TDO
8
pF
All typical values are at VCC = 5 V.
On products compliant to MIL-STD-883, Class B, this parameter does not apply.
§ For I/O ports, the parameters IOZH and IOZL include the input leakage current.
Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
# This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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