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参数资料
| 型号： | SN54BCT540FK |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | BCT/FBT SERIES, 8-BIT DRIVER, INVERTED OUTPUT, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 3/7页 |
| 文件大小： | 153K |
| 代理商： | SN54BCT540FK |
SN54BCT540, SN74BCT540A
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS012D – JULY 1988 – REVISED SEPTEMBER 1994
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54BCT540
SN74BCT540A
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
V
IOH = – 3 mA
2.4
3.3
2.4
3.3
VOH
VCC = 4.5 V
IOH = – 12 mA
2
3.2
V
IOH = – 15 mA
2
3.1
VOL
VCC =4 5V
IOL = 48 mA
0.38
0.55
V
VOL
VCC = 4.5 V
IOL = 64 mA
0.42
0.55
V
II
VCC = 5.5 V,
VI = 7 V
0.1
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20
A
IIL
VCC = 5.5 V,
VI = 0.5 V
– 0.6
mA
IOZH
VCC = 5.5 V,
VO = 2.7 V
50
A
IOZL
VCC = 5.5 V,
VO = 0.5 V
–50
A
IOS
VCC = 5.5 V,
VO = 0
– 100
– 225
– 100
– 225
mA
ICCH
VCC = 5.5 V
20
30
20
30
mA
ICCL
VCC = 5.5 V
45
71
45
71
mA
ICCZ
VCC = 5.5 V
3
6
3
6
mA
Ci
VCC = 5 V,
VI = 2.5 V or 0.5 V
6
5
pF
Co
VCC = 5 V,
VO = 2.5 V or 0.5 V
10
pF
All typical values are at VCC = 5 V, TA = 25°C.
Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
CL = 50 pF,
R1 = 500
,
R2 = 500
,
TA = 25°C
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
R1 = 500
,
R2 = 500
,
TA = MIN to MAX§
UNIT
′BCT540
SN54BCT540
SN74BCT540A
MIN
TYP
MAX
MIN
MAX
MIN
MAX
tPLH
A
Y
2.5
4.1
5.8
1.9
7.2
2
6.9
ns
tPHL
A
Y
0.6
1.9
3.5
0.3
4.5
0.3
4
ns
tPZH
OE
Y
4
6.8
8.9
4.1
10.4
3.3
10.1
ns
tPZL
OE
Y
5
8
10
5.3
11.8
4.3
11.3
ns
tPHZ
OE
Y
3.5
5.7
7.8
2.7
9.4
2.7
9
ns
tPLZ
OE
Y
3.8
5.5
7.4
3.5
8.9
3.5
8.5
ns
§ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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