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SN74ABTR2245DB 数据表(PDF) 5 Page - Texas Instruments

部件名 SN74ABTR2245DB
功能描述  OCTAL TRANSCEIVERS AND LINE/MEMORY DRIVERS 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

SN74ABTR2245DB 数据表(HTML) 5 Page - Texas Instruments

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SN54ABTR2245, SN74ABTR2245
OCTAL TRANSCEIVERS AND LINE/MEMORY DRIVERS
WITH 3-STATE OUTPUTS
SCBS680A – MARCH 1997 – 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
TA = 25°C
SN54ABTR2245
SN74ABTR2245
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
MIN
MAX
MIN
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
–1.2
–1.2
V
VCC = 4.5 V,
IOH = –1 mA
3.35
3.3
3.35
VOH
VCC = 5 V,
IOH = –1 mA
3.85
3.8
3.85
V
VOH
VCC =4 5V
IOH = –3 mA
3
3.1
V
VCC = 4.5 V
IOH = –12 mA
2.6
2.6
VOL
VCC =4 5V
IOL = 8 mA
0.65
0.8
0.65
V
VOL
VCC = 4.5 V
IOL = 12 mA
0.8
0.8
V
Vhys
100
mV
II
Control
inputs
VCC = 0 to 5.5 V, VI = VCC or GND
±1
±1
±1
µA
II
A or B ports
VCC = 2.1 V to 5.5 V,
VI = VCC or GND
±20
±20
±20
µA
IOZH‡
VCC = 2.1 V to 5.5 V, VO = 2.7 V,
OE
≥ 2 V
10
10
10
µA
IOZL‡
VCC = 2.1 V to 5.5 V, VO = 0.5 V,
OE
≥ 2 V
–10
–10
–10
µA
IOZPU§
VCC = 0 to 2.1 V, VO = 0.5 V to 2.7 V,
OE = X
±50
±50
±50
µA
IOZPD§
VCC = 2.1 V to 0, VO = 0.5 V to 2.7 V,
OE = X
±50
±50
±50
µA
Ioff
VCC = 0,
VI or VO ≤ 4.5 V
±100
±100
µA
ICEX
VCC = 5.5 V,
VO = 5.5 V
Outputs high
50
50
50
µA
IO¶
VCC = 5.5 V,
VO = 2.5 V
–25
–100
–25
–100
–25
–100
mA
VCC = 5.5 V,
Outputs high
1
250
250
250
µA
ICC
A or B ports
VCC = 5.5 V,
IO = 0,
Outputs low
24
32
32
32
mA
VI = VCC or GND
Outputs disabled
0.5
250
250
250
µA
Data inputs
VCC = 5.5 V,
One input at 3.4 V,
Outputs enabled
1.5
1.5
1.5
∆ICC#
Data inputs
,
Other inputs at
VCC or GND
Outputs disabled
0.05
0.05
0.05
mA
Control
inputs
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
1.5
1.5
1.5
Ci
VI = 2.5 V or 0.5 V
3
pF
Cio
VO = 2.5 V or 0.5 V
6
pF
* On products compliant to MIL-PRF–38535, this parameter does not apply.
† All typical values are at VCC = 5 V.
‡ The parameters IOZH and IOZL include the input leakage current.
§ 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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