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參數(shù)資料
| 型號(hào)： | SN74ABT16543DLRG4 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 1.25 W TO B CONNECTOR |
| 中文描述： | 16位收發(fā)登記，3態(tài)輸出 |
| 文件頁數(shù)： | 10/13頁 |
| 文件大?。?/td> | 227K |
| 代理商： | SN74ABT16543DLRG4 |
SN54ABT16543, SN74ABT16543
16-BIT REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS087C – 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
SN54ABT16543
SN74ABT16543
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
VOH
VCC = 5 V,
IOH = –3 mA
3
V
VOH
VCC =4 5V
IOH = –24 mA
2
V
VCC = 4.5 V
IOH = –32 mA
2*
2
VOL
VCC =4 5V
IOL = 48 mA
0.55
V
VOL
VCC = 4.5 V
IOL = 64 mA
0.55*
0.55
V
Vhys
100
mV
II
Control
inputs
VCC = 5.5 V,
VI = VCC or GND
±1
A
I
A or B ports
CC
,
ICC
±100
IOZH
VCC = 5.5 V,
VO = 2.7 V
50**
10
50
A
IOZL
VCC = 5.5 V,
VO = 0.5 V
–50**
–10
–50
A
Ioff
VCC = 0,
VI or VO ≤ 4.5 V
±100
A
ICEX
VCC = 5.5 V,
VO = 5.5 V
Outputs high
50
A
IO§
VCC = 5.5 V,
VO = 2.5 V
–50
–100
–200
–50
–200
–50
–200
mA
VCC = 5.5 V,
Outputs high
2
ICC
A or B ports
VCC = 5.5 V,
IO = 0,
Outputs low
35
mA
VI = VCC or GND
Outputs disabled
2
ICC
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
0.5
mA
Ci
Control
inputs
VI = 2.5 V or 0.5 V
3
pF
Cio
A or B ports
VO = 2.5 V or 0.5 V
8.5
pF
* On products compliant to MIL-PRF-38535, this parameter does not apply.
** These limits apply only to the SN74ABT16543.
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)
VCC = 5 V,
TA = 25°C
SN54ABT16543
SN74ABT16543
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
tw
Pulse duration, LEAB or LEBA low
4
ns
t
Set p time data before LEAB
↑ or LEBA↑
High
1.5
ns
tsu
Setup time, data before LEAB
↑ or LEBA↑
Low
3.5
ns
th
Hold time data after LEAB
↑ or LEBA↑
High
1.5
ns
th
Hold time, data after LEAB
↑ or LEBA↑
Low
2
ns
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