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參數(shù)資料
| 型號： | LV244 |
| 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司機態(tài)輸出 |
| 文件頁數(shù)： | 5/7頁 |
| 文件大小： | 130K |
| 代理商： | LV244 |
SN54LV244A, SN74LV244A
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS383B – SEPTEMBER 1997 – REVISED JUNE 1998
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V
±
0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
LOAD
TA = 25
°
C
TYP
SN54LV244A
MIN
1
SN74LV244A
MIN
1
UNIT
(OUTPUT)
CAPACITANCE
MIN
MAX
5.5
MAX
6.5
MAX
6.5
tpd*
ten*
tdis*
tpd
ten
tdis
tsk(o)
A
Y
3.9
OE
Y
CL = 15 pF
4.5
7.3
1
8.5
1
8.5
ns
OE
Y
6.5
12.2
1
13.5
1
13.5
A
Y
4.9
7.5
1
8.5
1
8.5
OE
Y
CL= 50 pF
CL = 50 pF
5.6
9.3
1
10.5
1
10.5
ns
OE
Y
8.8
14.2
1
15.5
1
15.5
1
1
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
Skew between any two outputs of the same package switching in the same direction
noise characteristics, V
CC
= 3.3 V, C
L
= 50 pF, T
A
= 25
°
C (see Note 5
)
PARAMETER
SN74LV244A
UNIT
MIN
TYP
MAX
VOL(P)
VOL(V)
VOH(V)
VIH(D)
VIL(D)
NOTE 5: Characteristics are for surface-mount packages only.
Quiet output, maximum dynamic VOL
Quiet output, minimum dynamic VOL
Quiet output, minimum dynamic VOH
High-level dynamic input voltage
0.55
V
–0.5
V
2.9
V
2.31
V
Low-level dynamic input voltage
0.99
V
operating characteristics, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
VCC
3.3 V
TYP
14
UNIT
Cpd
Power dissipation capacitance
Power dissi ation ca acitance
CL= 50 pF
CL = 50 F,
f = 10 MHz
pF
5 V
16
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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相關代理商/技術參數(shù) |
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|---|---|
| LV244A | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS |
| LV244AT | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS |
| LV245A | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS |
| LV245AT | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS |
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