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参数资料
| 型号： | SNJ54BCT543FK |
| 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： | 10/15页 |
| 文件大小： | 480K |
| 代理商： | SNJ54BCT543FK |
SN54BCT543, SN74BCT543
OCTAL REGISTERED TRANSCEIVERS
WITH 3STATE OUTPUTS
SCBS026C NOVEMBER 1988 REVISED APRIL 1994
24
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
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
VOH
VCC = 4.5 V
IOH = 15 mA
2
3.1
V
VOL
VCC = 4.5 V
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
IIH
A or B port
VCC = 5.5 V,
VI = 2.7 V
70
A
IIH
Control input
VCC = 5.5 V,
VI = 2.7 V
20
A
IIL
A or B port
VCC = 5.5 V,
VI = 0.5 V
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
UNIT
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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