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參數(shù)資料
| 型號： | SN54ABT2952AFK |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | ABT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CQCC28 |
| 封裝： | CERAMIC, LCC-28 |
| 文件頁數(shù)： | 7/11頁 |
| 文件大小： | 205K |
| 代理商： | SN54ABT2952AFK |
SN54ABT2952A, SN74ABT2952A
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS203D – AUGUST 1992 – REVISED JANUARY 1998
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TA = 25°C
SN54ABT2952A
SN74ABT2952A
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
V
VCC = 4.5 V,
IOH = –3 mA
2.5
VOH
VCC = 5 V,
IOH = –3 mA
3
V
VOH
VCC =4 5V
IOH = –24 mA
2
V
VCC = 4.5 V
IOH = –32 mA
2*
2
VOL
VCC =4 5V
IOL = 48 mA
0.55
V
VOL
VCC = 4.5 V
IOL = 64 mA
0.55*
0.55
V
Vhys
100
mV
II
Control inputs
VCC =5 5V
VI =VCC or GND
±1
A
II
A or B ports
VCC = 5.5 V,
VI = VCC or GND
±100
A
IOZH
VCC = 5.5 V,
VO = 2.7 V
50*
10
50
A
IOZL
VCC = 5.5 V,
VO = 0.5 V
–50*
–10
–50
A
Ioff
VCC = 0,
VI or VO ≤ 4.5 V
±100*
±100
A
ICEX
VCC = 5.5 V,
VO = 5.5 V
Outputs high
50
A
IO§
VCC = 5.5 V,
VO = 2.5 V
–50
–100
–180
–50
–180
–50
–180
mA
VCC = 5.5 V,
I0
Outputs high
1
250
A
ICC
A or B ports
IO = 0,
VI = VCC or
Outputs low
24
35
mA
VI = VCC or
GND
Outputs disabled
0.5
250
A
ICC
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
1.5
mA
Ci
Control inputs
VI = 2.5 V or 0.5 V
3.5
pF
Cio
A or B ports
VO = 2.5 V or 0.5 V
7.5
pF
* On products compliant to MIL-PRF-38535, this parameter does not apply.
All typical values are at VCC = 5 V.
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.
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
SN54ABT2952A
SN74ABT2952A
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
fclock
Clock frequency
0
150
0
150
0
150
MHz
tw
Pulse duration, CLK high or low
3.3
ns
t
Setup time before CLK
↑
A or B
High or low
2.5
3
2.5
ns
tsu
Setup time before CLK
↑
CLKEN
High or low
3
ns
th
Hold time after CLK
↑
A or B
1.5
ns
th
Hold time after CLK
↑
CLKEN
2
ns
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| SN54ABT2952AJT | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS |
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| SN54ABT32316PN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Bus Exchanger |
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