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參數(shù)資料
| 型號(hào)： | SN54BCT540J |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 八路緩沖器/ 3司機(jī)態(tài)輸出 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 81K |
| 代理商： | SN54BCT540J |
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
MIN
TYP
SN74BCT540A
MIN
TYP
UNIT
MAX
MAX
VIK
VCC = 4.5 V,
II = –18 mA
IOH = –3 mA
IOH = –12 mA
IOH = –15 mA
IOL = 48 mA
IOL = 64 mA
VI = 7 V
VI = 2.7 V
VI = 0.5 V
VO = 2.7 V
VO = 0.5 V
VO = 0
–1.2
–1.2
V
2.4
3.3
2.4
3.3
VOH
VCC = 4.5 V
2
3.2
V
2
3.1
VOL
VCC= 4 5 V
VCC = 4.5 V
0.38
0.55
V
0.42
0.55
II
IIH
IIL
IOZH
IOZL
IOS
ICCH
ICCL
ICCZ
Ci
Co
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V
VCC = 5.5 V
VCC = 5.5 V
VCC = 5 V,
VCC = 5 V,
0.1
0.1
mA
μ
A
mA
μ
A
μ
A
mA
20
20
–0.6
–0.6
50
50
–50
–50
–100
–225
–100
–225
20
30
20
30
mA
45
71
45
71
mA
3
6
3
6
mA
VI = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
6
5
pF
10
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
′
BCT540
MIN
2.5
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
R1 = 500
,
R2 = 500
,
TA = MIN to MAX§
SN54BCT540
MIN
MAX
1.9
7.2
UNIT
SN74BCT540A
MIN
2
TYP
4.1
MAX
5.8
MAX
6.9
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
A
Y
ns
0.6
1.9
3.5
0.3
4.5
0.3
4
OE
Y
4
6.8
8.9
4.1
10.4
3.3
10.1
ns
5
8
10
5.3
11.8
4.3
11.3
OE
Y
3.5
3.8
5.7
5.5
7.8
7.4
2.7
3.5
9.4
8.9
2.7
3.5
9
ns
8.5
§For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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