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參數(shù)資料
| 型號(hào)： | SN54ABT646AFK |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUPUTS |
| 中文描述： | 八路總線收發(fā)器和寄存器具有三態(tài)OUPUTS |
| 文件頁(yè)數(shù)： | 6/21頁(yè) |
| 文件大?。?/td> | 478K |
| 代理商： | SN54ABT646AFK |
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SCBS069H JULY 1991 REVISED MAY 2004
6
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
TYP
SN54ABT646A
MIN
SN74ABT646A
MIN
UNIT
MIN
MAX
MAX
MAX
VIK
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 5 V,
II = 18 mA
IOH = 3 mA
IOH = 3 mA
IOH = 24 mA
IOH = 32 mA
IOL = 48 mA
IOL = 64 mA
1.2
1.2
1.2
V
2.5
2.5
2.5
VOH
3
3
3
V
VCC = 4.5 V
2
2
2*
2
VOL
VCC = 4.5 V
0.55
0.55
V
0.55*
0.55
Vhys
100
mV
II
Control inputs
VCC = 5.5 V, VI = VCC or GND
±
1
±
1
±
1
A or B ports
±
100
10§
10§
±
100
±
100
10§
10§
±
100
10§
10§
±
100
μ
A
IOZH
IOZL
Ioff
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 0,
VCC = 5.5 V,
VO = 5.5 V
VCC = 5.5 V,
VO = 2.7 V
VO = 0.5 V
VI or VO
≤
4.5 V
μ
A
μ
A
μ
A
ICEX
Outputs high
50
50
50
μ
A
IO
VO = 2.5 V
Outputs high
50
100
180
50
180
50
180
mA
μ
A
mA
μ
A
VCC = 5.5 V,
V = V
VI = VCC or GND
250
250
250
ICC
Outputs low
30
30
30
IO = 0,
Outputs disabled
250
250
250
ICC#
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
VI = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
1.5
1.5
1.5
mA
Ci
Cio
Control inputs
7
pF
A or B ports
12
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 data-sheet limit may vary among suppliers.
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)
SN54ABT646A
VCC = 5 V,
TA = 25
°
C
MIN
MAX
MIN
MAX
UNIT
fclock
tw
tsu
th
Clock frequency
125
125
MHz
Pulse duration, CLK high or low
Setup time, A or B before CLKAB
↑
or CLKBA
↑
Hold time, A or B after CLKAB
↑
or CLKBA
↑
4
4
ns
3
3.5
ns
1.5
1.5
ns
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN74ABT646ADB | OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUPUTS |
| SN54ABT646AJT | OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUPUTS |
| SN54ABT646AW | OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUPUTS |
| SN54ABT646 | Octal Bus Transceivers and Registers With 3-State Outputs(八總線收發(fā)器/寄存器(三態(tài)輸出)) |
| SN54ABT648 | Octal Bus Transceivers and Registers With 3-State Outputs(八總線收發(fā)器和寄存器(三態(tài)輸出)) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN54ABT646AJT | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUPUTS |
| SN54ABT646AW | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUPUTS |
| SN54ABT646FK | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS |
| SN54ABT646JT | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS |
| SN54ABT651 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS |
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