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SN54ABT2952A Datasheet(HTML) 5 Page - Texas Instruments

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Part No. SN54ABT2952A
Description  OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54ABT2952A Datasheet(HTML) 5 Page - Texas Instruments

 
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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
–1.2
–1.2
V
VCC = 4.5 V,
IOH = –3 mA
2.5
2.5
2.5
VOH
VCC = 5 V,
IOH = –3 mA
3
3
3
V
VOH
VCC =4 5V
IOH = –24 mA
2
2
V
VCC = 4.5 V
IOH = –32 mA
2*
2
VOL
VCC =4 5V
IOL = 48 mA
0.55
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
±1
±1
µA
II
A or B ports
VCC = 5.5 V,
VI = VCC or GND
±100
±100
±100
µA
IOZH‡
VCC = 5.5 V,
VO = 2.7 V
50*
10
50
µA
IOZL‡
VCC = 5.5 V,
VO = 0.5 V
–50*
–10
–50
µA
Ioff
VCC = 0,
VI or VO ≤ 4.5 V
±100*
±100
µA
ICEX
VCC = 5.5 V,
VO = 5.5 V
Outputs high
50
50
50
µA
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
250
250
µA
ICC
A or B ports
IO = 0,
VI = VCC or
Outputs low
24
35
35
35
mA
VI = VCC or
GND
Outputs disabled
0.5
250
250
250
µA
∆ICC¶
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
1.5
1.5
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
3.3
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
3
3
ns
th
Hold time after CLK
A or B
1.5
1.5
1.5
ns
th
Hold time after CLK
CLKEN
2
2
2
ns


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