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参数资料
| 型号： | SNJ54ABT2244FK |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | ABT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CQCC20 |
| 封装： | CERAMIC, CC-20 |
| 文件页数： | 10/15页 |
| 文件大小： | 491K |
| 代理商： | SNJ54ABT2244FK |
SN54ABT2244, SN74ABT2244
OCTAL BUFFERS AND LINE/MOS DRIVERS
WITH 3-STATE OUTPUTS
SCBS106B – JANUARY 1991 – REVISED JULY 1994
6–4
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
SN54ABT2244
SN74ABT2244
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
V
VCC = 4.5 V,
IOH = – 3 mA
2.5
VOH
VCC = 5 V,
IOH = – 3 mA
3
V
VOH
VCC =4 5V
IOH = – 24 mA
2
V
VCC = 4.5 V
IOH = – 32 mA
2*
2
VOL
VCC = 4.5 V,
IOL = 12 mA
0.8
V
II
VCC = 0 to 5.5 V,
VI = VCC or GND
±1
A
IOZPU
VCC = 0 to 2.1 V,
VO = 0.5 to 2.7 V, OE = X
±50
A
IOZPD
VCC = 2.1 V to 0,
VO = 0.5 to 2.7 V, OE = X
±50
A
IOZH
VCC = 2.1 V to 5.5 V, VO = 2.7 V, OE ≥ 2 V
10
A
IOZL
VCC = 2.1 V to 5.5 V, VO = 0.5 V, OE ≥ 2 V
–10
A
Ioff
VCC = 0,
VI or VO ≤ 4.5 V
±100
A
ICEX
VCC = 5.5 V,
VO = 5.5 V
Outputs high
50
A
IO
VCC = 5.5 V,
VO = 2.5 V
–50
–100
–180
–50
–180
–50
–180
mA
VCC = 5.5 V,
Outputs high
1
250
A
ICC
VCC 5.5 V,
IO = 0,
Outputs low
24
30
mA
VI = VCC or GND
Outputs disabled
0.5
250
A
§
VCC = 5.5 V,
Oi
V
Data
Outputs enabled
1.5
ICC§
One input at 3.4 V,
Other inputs at
inputs
Outputs disabled
0.05
mA
Other in uts at
VCC or GND
Control inputs
1.5
Ci
VI = 2.5 V or 0.5 V
3
pF
Co
VO = 2.5 V or 0.5 V
8.5
pF
* On products compliant to MIL-STD-883, Class B, this parameter does not apply.
All typical values are at VCC = 5 V.
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.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, CL = 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
SN54ABT2244
SN74ABT2244
UNIT
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
tPLH
A
Y
1
3.4
4.3
1
5.3
1
4.7
ns
tPHL
A
Y
1
4.5
5.3
1
6.8
1
5.6
ns
tPZH
OE
Y
1.1
3.8
4.8
1.1
6.5
1.1
5.5
ns
tPZL
OE
Y
2.1
6.3
7.3
2.1
10.2
2.1
8.3
ns
tPHZ
OE
Y
2.1
4.5
5.6
2.1
7
2.1
6.6
ns
tPLZ
OE
Y
1.7
4.3
5.3
1.7
7.4
1.7
5.8
ns
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