參數(shù)資料
型號： SN74ABT126DBR
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： ABT SERIES, QUAD 1-BIT DRIVER, TRUE OUTPUT, PDSO14
封裝： GREEN, PLASTIC, SSOP-14
文件頁數(shù)： 14/20頁
文件大?。?/td> 829K
代理商： SN74ABT126DBR
SN54ABT126, SN74ABT126
QUADRUPLE BUS BUFFER GATES
WITH 3-STATE OUTPUTS
SCBS183H FEBRUARY 1991 REVISED MAY 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 4)
SN54ABT126
SN74ABT126
UNIT
MIN
MAX
MIN
MAX
UNIT
VCC
Supply voltage
4.5
5.5
4.5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
VI
Input voltage
0
VCC
0
VCC
V
IOH
High-level output current
24
32
mA
IOL
Low-level output current
48
64
mA
Δt/Δv
Input transition rise or fall rate
10
ns/V
Δt/ΔVCC
Power-up ramp rate
200
μs/V
TA
Operating free-air temperature
55
125
40
85
°C
NOTE 4: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TA = 25°C
SN54ABT126
SN74ABT126
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
V
VCC = 5 V,
IOH = 3 mA
3
V
VOH
V
45V
IOH = 24 mA
2
V
VCC = 4.5 V
IOH = 32 mA
2*
2
V
45V
IOL = 48 mA
0.55
V
VOL
VCC = 4.5 V
IOL = 64 mA
0.55*
0.55
V
Vhys
100
mV
II
VCC = 0 to 5.5 V,
VI = VCC or GND
±1
μA
IOZPU
VCC = 0 to 2.1 V, VO = 0.5 V to 2.7 V, OE = X
±50
μA
IOZPD
VCC = 2.1 V to 0, VO = 0.5 V to 2.7 V, OE = X
±50
μA
IOZH
VCC = 2.1 V to 5.5 V, VO = 2.7 V, OE ≤ 0.8 V
10
μA
IOZL
VCC = 2.1 V to 5.5 V, VO = 0.5 V, OE ≤ 0.8 V
10
μA
Ioff
VCC = 0,
VI or VO ≤ 4.5 V
±100
μA
ICEX
VCC = 5.5 V, VO = 5.5 V
Outputs high
50
μA
IO§
VCC = 5.5 V,
VO = 2.5 V
50
100
200
50
200
50
200
mA
V
55V I
0
Outputs high
1
250
μA
ICC
VCC = 5.5 V, IO = 0,
VI =VCC or GND
Outputs low
24
30
mA
ICC
VI = VCC or GND
Outputs disabled
0.5
250
μA
ΔI
VCC = 5.5 V,
One input at34V
Outputs enabled
1.5
mA
ΔICC
One input at 3.4 V,
Other inputs at VCC or GND
Outputs disabled
50
μA
Ci
VI = 2.5 V or 0.5 V
3
pF
Co
VO = 2.5 V or 0.5 V
7
pF
* On products compliant to MIL-PRF-38535, this parameter does not apply.
All typical values are at VCC = 5 V.
For VCC between 2.1 V and 4 V, OE should be less than or equal to 0.5 V to ensure a low state.
§ 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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