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SN74AS230A 数据表(PDF) 3 Page - Texas Instruments

部件名 SN74AS230A
功能描述  OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

SN74AS230A 数据表(HTML) 3 Page - Texas Instruments

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SN74AS230A
OCTAL BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SDAS213B – DECEMBER 1982 – REVISED DECEMBER 1994
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
VIK
VCC = 4.5 V,
II = – 18 mA
– 1.2
V
VCC = 4.5 V to 5.5 V,
IOH = – 2 mA
VCC –2
VOH
VCC =4 5V
IOH = – 3 mA
2.4
3.4
V
VCC = 4.5 V
IOH = – 15 mA
2.4
VOL
VCC = 4.5 V,
IOL = 64 mA
0.31
0.55
V
IOZH
VCC = 5.5 V,
VO = 2.7 V
50
µA
IOZL
VCC = 5.5 V,
VO = 0.4 V
–50
µA
II
VCC = 5.5 V,
VI = 7 V
0.1
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20
µA
IIL
2A inputs
VCC =5 5V
VI =0 4V
–1
mA
IIL
All other inputs
VCC = 5.5 V,
VI = 0.4 V
– 0.5
mA
IO‡
VCC = 5.5 V,
VO = 2.25 V
–50
– 150
mA
Outputs high
16
25
ICC
VCC = 5.5 V
Outputs low
55
87
mA
Outputs disabled
29
46
† All typical values are at VCC = 5 V, TA = 25°C.
‡ The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
R1 = 500
,
R2 = 500
,
TA = MIN to MAX§
UNIT
MIN
MAX
tPLH
1A
1Y
2
6.5
ns
tPHL
1A
1Y
1
5.7
ns
tPLH
2A
2Y
2
6.2
ns
tPHL
2A
2Y
1
6.2
ns
tPZH
1OE
1Y
2
6.4
ns
tPZL
1OE
1Y
2
8.5
ns
tPHZ
1OE
1Y
2
6
ns
tPLZ
1OE
1Y
2
9.5
ns
tPZH
2OE
2Y
2
9
ns
tPZL
2OE
2Y
2
7.5
ns
tPHZ
2OE
2Y
2
6
ns
tPLZ
2OE
2Y
2
9
ns
§ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.


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