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SN74ABTH25245DWE4 数据表(PDF) 5 Page - Texas Instruments

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部件名 SN74ABTH25245DWE4
功能描述  25-W OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

SN74ABTH25245DWE4 数据表(HTML) 5 Page - Texas Instruments

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SN54ABTH25245, SN74ABTH25245
25-
Ω OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS251F – JUNE 1992 – REVISED MAY 1997
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ABTH25245
SN74ABTH25245
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
MIN
TYP†
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
–1.2
V
A port
VCC = 4.75 V,
IOH = –3 mA
2.7
2.7
A port
VCC = 4.5 V,
IOH = –80 mA
2.4
2.4
VOH
VCC = 4.5 V,
IOH = –3 mA
2.5
2.5
V
B port
VCC = 5 V,
IOH = –3 mA
3
3
VCC = 4.5 V,
IOH = –32 mA
2*
2
A port
VCC =4 5V
IOL = 94 mA
0.55
0.55
VOL
A port
VCC = 4.5 V
IOL = 188 mA
0.7
0.7
V
B port
VCC = 4.5 V,
IOL = 64 mA
0.55*
0.55
Vhys
100
100
mV
II
Control inputs
VCC = 0 to 5.5 V,
VI = VCC or GND
±1
±1
µA
II
A or B ports
VCC = 2.1 V to 5.5 V,
VI = VCC or GND
±20
±20
µA
II(h ld) AorB ports
VCC =4 5V
VI = 0.8 V
100
100
µA
II(hold) A or B ports
VCC = 4.5 V
VI = 2 V
–100
–100
µA
IOZPU‡
VCC = 0 to 2.1 V, VO = 0.5 V to 2.7 V, OE = X
±50
±50
µA
IOZPD‡
VCC = 2.1 V to 0, VO = 0.5 V to 2.7 V, OE = X
±50
±50
µA
Ioff
VCC = 0,
VI or VO ≤ 4.5 V
±100
±100
µA
ICEX
VCC = 5.5 V,
VO = 5.5 V
50
50
µA
IO§
B port
VCC = 5.5 V,
VO = 2.5 V
–50
–210
–50
–210
mA
VCC = 5.5 V,
Outputs high
500
500
µA
ICC
VCC = 5.5 V,
Outputs open,
Outputs low
20
20
mA
VI = VCC or GND
Outputs disabled
500
500
µA
∆ICC¶
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
1
1
mA
Ci
Control inputs
VCC = 5 V,
VI = VCC or GND
4
4
pF
Cio
A or B ports
VCC = 5 V,
VO = VCC or GND
11.5
11.5
pF
* On products compliant to MIL-PRF-38535, this parameter does not apply.
† All typical values are at VCC = 5 V, TA = 25°C.
‡ This parameter is characterized, but not production tested.
§ 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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