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參數(shù)資料
| 型號(hào)： | SN54ABT834 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 8-Bit To 9-Bit Parity Bus Transceivers(8-9奇偶總線收發(fā)器) |
| 中文描述： | 8位到第9位奇偶總線收發(fā)器（8-9奇偶總線收發(fā)器） |
| 文件頁(yè)數(shù)： | 5/8頁(yè) |
| 文件大?。?/td> | 142K |
| 代理商： | SN54ABT834 |
SN54ABT834, SN74ABT834
8-BIT TO 9-BIT PARITY BUS TRANSCEIVERS
SCBS168 – FEBRUARY 1991–REVISED OCTOBER 1992
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
5
recommended operating conditions (see Note 2)
SN54ABT834
MIN
4.5
2
SN74ABT834
MIN
4.5
2
UNIT
MAX
5.5
MAX
5.5
VCC
VIH
VIL
VI
VOH
IOH
IOL
t/
v
TA
NOTE 2: Unused or floating pins (input or I/O) must be held high or low.
Supply voltage
High-level input voltage
Low-level input voltage
Input voltage
High-level output voltage
High-level output current
Low-level output current
Input transition rise or fall rate
Operating free-air temperature
V
V
V
V
V
0.8
0.8
0
VCC
5.5
–24
48
0
VCC
5.5
–32
64
ERR
mA
mA
ns/V
°
C
Except ERR
Outputs enabled
5
5
–55
125
–40
85
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TA = 25
°
C
TYP
SN54ABT834
MIN
SN74ABT834
MIN
UNIT
MIN
MAX
–1.2
MAX
–1.2
MAX
–1.2
VIK
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 5 V,
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 5.5 V,
VI = VCC or GND
VCC = 0 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 0 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
IO = 0,
VI = VCC or GND
VCC = 5.5 V,
Other inputs at VCC or GND
VI = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
II = –18 mA
IOH = –3 mA
IOH = –3 mA
IOH = –24 mA
IOH = –32 mA
IOL = 24 mA
IOL = 64 mA
VOH = 4.5 V
V
VOH
2.5
2.5
2.5
V
All outputs
except ERR
3
2
3
2
3
2
2
VOL
0.55
0.55
0.55
V
0.55
IOH
ERR
Control inputs
A or B ports
A or B ports
μ
A
II
±
1
±
1
±
1
μ
A
±
100
–50
50
–50
±
100
50
–180
250
30
250
±
100
–50
50
–50
±
100
–50
50
–50
±
100
50
–180
250
30
250
IIL
IOZH§
IOZL§
IOFF
ICEX
IO
VI = GND
VO = 2.7 V
VO = 0.5 V
VI or VO
≤
5.5 V
VO = 5.5 V
VO = 2.5 V
μ
A
μ
A
μ
A
μ
A
μ
A
mA
μ
A
mA
μ
A
Outputs high
50
–50
–100
–50
–180
250
30
250
–50
Outputs high
Outputs low
Outputs disabled
1
ICC
A or B ports
24
0.5
One input at 3.4 V,
50
50
50
μ
A
ICC#
Ci
Cio
Control inputs
A or B ports
pF
pF
All typical values are at VCC = 5 V.
On products compliant to MIL-STD-883, Class B, this parameter does not apply.
§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.
P
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