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参数资料
| 型号： | SN64BCT25244NT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | BCT/FBT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDIP24 |
| 封装： | 0.300 INCH, PLASTIC, DIP-24 |
| 文件页数： | 3/8页 |
| 文件大小： | 194K |
| 代理商： | SN64BCT25244NT |
SN64BCT25244
25 OCTAL BUFFER/DRIVER
WITH 3STATE OUTPUTS
SCBS477 DECEMBER 1992 REVISED JANUARY 1994
33
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
recommended operating conditions (see Note 2)
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
IIK
Input clamp current
18
mA
IOH
High-level output current
80
mA
IOL
Low-level output current
188
mA
TA
Operating free-air temperature
40
85
°C
NOTE 2: Unused or floating inputs must be held high or low.
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
VOH
VCC = 4.75 V,
IOH = 3 mA
2.7
V
VOH
VCC = 4.5 V,
IOH = 80 mA
2
V
VOL
VCC = 4.5 V
IOL = 94 mA
0.42
0.55
V
VOL
VCC = 4.5 V
IOL = 188 mA
0.7
V
IOZ
VCC = 0 to 2.3 V (power up)
VO = 2.7 V or 0.5 V,
OE at 0.8 V
±50
A
IOZ
VCC = 2.3 to 0 (power down)
VO = 2.7 V or 0.5 V,
OE at 0.8 V
±50
A
II
VCC = 5.5 V,
VI = 5.5 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
ICCL
VCC = 5.5 V,
Outputs open
90
119
mA
ICCH
VCC = 5.5 V,
Outputs open
59
78
mA
ICCZ
VCC = 5.5 V,
Outputs open
7
11
mA
Ci
VCC = 5 V,
VI = 2.5 V or 0.5 V
5.5
pF
Co
VCC = 5 V,
VO = 2.5 V or 0.5 V
17
pF
All typical values are at VCC = 5 V, TA = 25°C.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, CL = 50 pF (unless otherwise noted) (see Note 3)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
TA = 40°C
to 85
°C
TA = 0°C
to 70
°C
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
A
Y
1
3.2
4.9
1
5.6
1
5.5
ns
tPHL
A
Y
2
4
5.6
2
6.3
2
6
ns
tPZH
OE
Y
3.2
5.6
8.5
3.2
9.7
3.2
9.3
ns
tPZL
OE
Y
3.7
6.3
9.2
3.7
10.4
3.7
10.2
ns
tPHZ
OE
Y
1.6
3.6
5.5
1.6
6.5
1.6
6.3
ns
tPLZ
OE
Y
3.1
5.3
7.8
3.1
9.5
3.1
8.4
ns
NOTE 3: Load circuits and voltage waveforms are shown in Section 1.
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