参数资料
型号: SN74LV244ADW
厂商: TEXAS INSTRUMENTS INC
元件分类: 总线收发器
英文描述: LV/LV-A/LVX/H SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
封装: GREEN, PLASTIC, SOIC-20
文件页数: 18/22页
文件大小: 771K
代理商: SN74LV244ADW
SN54LV244A, SN74LV244A
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS383L SEPTEMBER 1997 REVISED AUGUST 2010
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
SN54LV244A
SN74LV244A
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
IOH = 50 μA
2 V to 5.5 V
VCC0.1
V
IOH = 2 mA
2.3 V
2
V
VOH
IOH = 8 mA
3 V
2.48
V
IOH = 16 mA
4.5 V
3.8
IOL = 50 μA
2 V to 5.5 V
0.1
V
IOL = 2 mA
2.3 V
0.4
V
VOL
IOL = 8 mA
3 V
0.44
V
IOL = 16 mA
4.5 V
0.55
II
VI = 5.5 V or GND
0 to 5.5 V
±1
μA
IOZ
VO = VCC or GND
5.5 V
±5
μA
ICC
VI = VCC or GND,
IO = 0
5.5 V
20
μA
Ioff
VI or VO = 0 to 5.5 V
0
5
μA
Ci
VI = VCC or GND
3.3 V
2.3
pF
switching characteristics over recommended operating free-air temperature range,
VCC = 2.5 V ± 0.2 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54LV244A
SN74LV244A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tpd
A
Y
7.5*
12.5*
1*
15*
1
15
ten
OE
Y
CL = 15 pF
8.9*
14.6*
1*
17*
1
17
ns
tdis
OE
Y
L
p
9.1*
14.1*
1*
16*
1
16
tpd
A
Y
9.5
15.3
1
18
1
18
ten
OE
Y
C
50 pF
10.8
17.8
1
21
1
21
ns
tdis
OE
Y
CL = 50 pF
13.4
19.2
1
21
1
21
ns
tsk(o)
2
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
switching characteristics over recommended operating free-air temperature range,
VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54LV244A
SN74LV244A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tpd
A
Y
5.4*
8.4*
1*
10*
1
10
ten
OE
Y
CL = 15 pF
6.3*
10.6*
1*
12.5*
1
12.5
ns
tdis
OE
Y
L
p
7.6*
11.7*
1*
13*
1
13
tpd
A
Y
6.8
11.9
1
13.5
1
13.5
ten
OE
Y
C
50 pF
7.8
14.1
1
16
1
16
ns
tdis
OE
Y
CL = 50 pF
11
16
1
18
1
18
ns
tsk(o)
1.5
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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相关代理商/技术参数
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SN74LV244ADW 制造商:Texas Instruments 功能描述:LOGIC - BUFFER IC
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