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SN74ABT651NT Datasheet(Fiches technique) 7 Page - Texas Instruments

Numéro de pièce SN74ABT651NT
Description  OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
Télécharger  15 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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SN54ABT651, SN74ABT651
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS083E – JANUARY 1991 – REVISED APRIL 1998
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
SN54ABT651
SN74ABT651
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 = –3 mA
2.5
2.5
2.5
VOH
VCC = 5 V,
IOH = –3 mA
3
3
3
V
VOH
VCC =4 5V
IOH = –24 mA
2
2
V
VCC = 4.5 V
IOH = –32 mA
2*
2
VOL
VCC =4 5V
IOL = 48 mA
0.55
0.55
V
VOL
VCC = 4.5 V
IOL = 64 mA
0.55*
0.55
V
Vhys
100
mV
II
Control inputs
VCC =5 5V
VI =VCC or GND
±1
±1
±1
µA
II
A or B ports
VCC = 5.5 V,
VI = VCC or GND
±100
±100
±100
µA
IOZH‡
VCC = 5.5 V,
VO = 2.7 V
50
50
50
µA
IOZL‡
VCC = 5.5 V,
VO = 0.5 V
–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
–50
–100
–180
–50
–180
–50
–180
mA
VCC = 5.5 V,
Outputs high
250
250
250
µA
ICC
VCC = 5.5 V,
IO = 0,
Outputs low
30
30
30
mA
VI = VCC or GND
Outputs disabled
250
250
250
µA
∆ICC¶
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
1.5
1.5
1.5
mA
Ci
Control inputs
VI = 2.5 V or 0.5 V
6
pF
Cio
A or B ports
VO = 2.5 V or 0.5 V
7.5
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.
§ 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.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 2)
VCC = 5 V,
TA = 25°C
SN54ABT651
SN74ABT651
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
fclock
Clock frequency
125
125
125
MHz
tw
Pulse duration, CLK high or low
4
4
4
ns
tsu
Setup time, A or B before CLKAB
↑ or CLKBA↑
3
3
3
ns
th
Hold time, A or B after CLKAB
↑ or CLKBA↑
0
0
0
ns
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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