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參數(shù)資料
| 型號： | SN54ABT16501WD |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 18-BIT UNIVERSAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 18位通用總線收發(fā)3態(tài)輸出 |
| 文件頁數(shù)： | 6/9頁 |
| 文件大?。?/td> | 148K |
| 代理商： | SN54ABT16501WD |
SN54ABT16501, SN74ABT16501
18-BIT UNIVERSAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS086C – FEBRUARY 1991 – REVISED JANUARY 1997
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
SN54ABT16501
MIN
SN74ABT16501
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
VCC = 4.5 V
2
2
2*
2
VOL
VCC= 4 5 V
VCC = 4.5 V
0.55
0.55
V
0.55*
0.55
Vhys
100
mV
II
Control inputs
VCC= 5 5 V
VCC = 5.5 V,
VI= VCCor GND
VI = VCC or GND
±
1
±
1
±
1
μ
A
A or B ports
±
100
50
±
100
50
±
100
50
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
–50
±
100
–50
–50
±
100
ICEX
Outputs high
50
50
50
μ
A
IO§
VO = 2.5 V
Outputs high
–50
–100
–180
–50
–180
–50
–180
mA
VCC= 5.5 V,
VCC = 5.5 V,
IO = 0,
VI = VCC or GND
3
5
3
ICC
A or B ports
Outputs low
76
76
76
mA
Outputs disabled
3.3
5.3
3.3
ICC
Control inputs
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
5
6
5
mA
A or B ports
Control inputs
1.5
1.5
1.5
Ci
Cio
VI = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
4
pF
A or B ports
8
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 1)
SN54ABT16501
MIN
SN74ABT16501
MIN
UNIT
MAX
MAX
fclock
Clock frequency, CLKAB or CLKBA
0
105
0
105
MHz
t#
tw#
Pulse duration
LEAB or LEBA high
3.3
3.3
ns
CLKAB or CLKBA high or low
A before CLKAB
↑
or B before CLKBA
↑
4.7
4.7
4
3.5
tsu
Setup time
A before LEAB
↓
or B before LEBA
↓
CLK high
4
4
ns
CLK low
1.5
1.5
th
Hold time
A after CLKAB
↑
or B after CLKBA
↑
A after LEAB
↓
or B after LEBA
↓
1
1
ns
2.5
2.5
#This parameter is specified by design, but not production tested.
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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