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| 型號： | SN54ABTH32543HS |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 36-BIT REGISTERED BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 36位注冊巴士3收發(fā)態(tài)輸出 |
| 文件頁數(shù)： | 6/9頁 |
| 文件大小： | 135K |
| 代理商： | SN54ABTH32543HS |
SN54ABTH32543, SN74ABTH32543
36-BIT REGISTERED BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS230F – JUNE 1992 – REVISED MAY 1997
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ABTH32543
MIN
TYP
SN74ABTH32543
MIN
TYP
UNIT
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
V
2.5
2.5
VOH
3
3
V
VCC= 4 5 V
VCC = 4.5 V
2
2
VOL
VCC= 4 5 V
VCC = 4.5 V
0.55
0.55
V
0.55
Vhys
100
100
mV
Control inputs
VCC = 0 to 5.5 V,
VCC = 2.1 V to 5.5 V,
VI = VCC or GND
VI = VCC or GND
±
1
II
A or B ports
±
20
μ
A
Control inputs
VCC= 5 5 V
VCC = 5.5 V,
VI= VCCor GND
VI = VCC or GND
±
1
A or B ports
±
20
II(h ld)
II(hold)
A or B ports
VCC= 4 5 V
VCC = 4.5 V
VI = 0.8 V
VI = 2 V
100
μ
A
–100
IOZPU
IOZPD
Ioff
ICEX
IO§
VCC = 0 to 2.1 V, VO = 0.5 V to 2.7 V, OE = X
VCC = 2.1 V to 0, VO = 0.5 V to 2.7 V, OE = X
VCC = 0,
VCC = 5.5 V, VO = 5.5 V
VCC = 5.5 V,
±
50
±
50
±
50
±
50
±
100
50
μ
A
μ
A
μ
A
μ
A
mA
VI or VO
≤
4.5 V
Outputs high
50
VO = 2.5 V
Outputs high
–50
–100
–180
–50
–100
–180
VCC = 5.5 V, IO = 0,
VI= VCCor GND
VI = VCC or GND
5 5 V I
3
3
ICC
Outputs low
20
20
mA
Outputs disabled
2
2
ICC
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
VI = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
1
1
mA
Ci
Cio
Control inputs
3.5
3.5
pF
A or B ports
9.5
9.5
pF
All typical values are at VCC = 5 V, TA = 25
°
C.
This parameter is specified by characterization.
§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#
MIN
SN54ABTH32543
SN74ABTH32543
UNIT
MAX
MIN
MAX
MIN
MAX
tw
Pulse duration, LEAB or LEBA low
3.3
3.3
3.3
ns
tsu
Setup time
Data before LEAB
↑
or LEBA
↑
Data before CEAB
↑
or CEBA
↑
Data after LEAB
↑
or LEBA
↑
Data after CEAB
↑
or CEBA
↑
2.1
2.6
2.1
ns
1.7
2
1.7
th
Hold time
0.6
0.9
1.1
1.2
0.6
0.9
ns
#These limits apply only to the SN74ABTH32543.
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