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参数资料
| 型号： | SN54BCT543FKR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | BCT/FBT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CQCC28 |
| 封装： | CERAMIC, LCC-28 |
| 文件页数： | 4/7页 |
| 文件大小： | 100K |
| 代理商： | SN54BCT543FKR |
SN54BCT543, SN74BCT543
OCTAL REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS026C – NOVEMBER 1988 – REVISED APRIL 1994
2–4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54BCT543
SN74BCT543
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
V
IOH = – 3 mA
2.4
3.3
2.4
3.3
VOH
VCC = 4.5 V
IOH = –12 mA
2
3.2
V
IOH = –15 mA
2
3.1
VOL
VCC =4 5V
IOL = 48 mA
0.38
0.55
V
VOL
VCC = 4.5 V
IOL = 64 mA
0.42
0.55
V
II
VCC = 5.5 V,
VI = 5.5 V
0.4
mA
I
A or B port
VCC =5 5V
VI =2 7V
70
A
IIH
Control input
VCC = 5.5 V,
VI = 2.7 V
20
A
I
A or B port
VCC =5 5V
VI =0 5V
– 0.65
mA
IIL
Control input
VCC = 5.5 V,
VI = 0.5 V
– 0.6
mA
IOS§
VCC = 5.5 V,
VO = 0
–100
– 225
–100
– 225
mA
ICCL
A or B port
VCC = 5.5 V
45
71
45
71
mA
ICCH
A or B port
VCC = 5.5 V
5
8
5
8
mA
ICCZ
A or B port
VCC = 5.5 V
9
15
9
15
mA
Ci
Control input
VCC = 5 V,
VI = 2.5 V or 0.5 V
6
pF
Cio
A or B port
VCC = 5 V,
VO = 2.5 V or 0.5 V
16
pF
All typical values are at VCC = 5 V, TA = 25°C.
For I/O ports, the parameters IIH and IIL include the off-state output current.
§ Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
VCC = 5 V,
TA = 25°C
SN54BCT543
SN74BCT543
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
tw
Pulse duration, LEAB or LEBA low
7
8
7
ns
tsu
Setup time, data before LEAB or LEBA
↑
High or low
4.5
5.5
4.5
ns
th
Hold time, data after LEAB or LEBA
↑
High or low
1.5
ns
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