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参数资料
| 型号： | SN74LVC543PW |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS |
| 中文描述： | 登记收发器八路三态输出 |
| 文件页数： | 4/6页 |
| 文件大小： | 99K |
| 代理商： | SN74LVC543PW |
SN74LVC543
OCTAL REGISTERED TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS299A – JANUARY 1993 – REVISED JULY 1995
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
IOH = –100
μ
A
MIN to MAX
VCC–0.2
2.2
VOH
IOH=
IOH = – 12 mA
2.7 V
V
3 V
2.4
IOH = – 24 mA
IOL = 100
μ
A
IOL = 12 mA
IOL = 24 mA
VI = 5.5 V or GND
VO = VCC or GND
VI = VCC or GND,
One input at VCC – 0.6 V,
VI = VCC or GND
VO = VCC or GND
3 V
2.2
MIN to MAX
0.2
VOL
2.7 V
0.4
V
3 V
0.55
±
5
±
10
II
IOZ§
ICC
ICC
Ci
Cio
For conditions shown as MIN or MAX, use the appropriate values under recommended operating conditions.
All typical values are at VCC = 3.3 V, TA = 25
°
C.
§For I/O ports, the parameter IOZ includes the input leakage current.
3.6 V
μ
A
μ
A
μ
A
μ
A
pF
3.6 V
IO = 0
Other inputs at VCC or GND
3.6 V
20
3 V to 3.6 V
500
Control inputs
3.3 V
4.6
A or B ports
3.3 V
7.2
pF
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
VCC = 3.3 V
±
0.3 V
MIN
VCC = 2.7 V
UNIT
MAX
MIN
MAX
tw
tsu
th
Pulse duration
Setup time, data before LE
↑
or CE
↑
Hold time, data after LE
↑
or CE
↑
4
4
ns
1.5
1.5
ns
2.5
2.5
ns
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 3.3 V
±
0.3 V
MIN
1.5
VCC = 2.7 V
UNIT
MAX
MIN
MAX
td
tpd
A or B
B or A
8
9
ns
LE
1.5
9.5
10.5
ten
OE
A or B
1.5
8.5
9.5
ns
CE
1.5
9
10
tdis
OE
A or B
1.5
8.5
9.5
ns
CE
1.5
9
10
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