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參數(shù)資料
| 型號： | SN54LVTT244 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 3.3-V ABT OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 的3.3V ABT生根粉八路緩沖器/ 3司機態(tài)輸出 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 106K |
| 代理商： | SN54LVTT244 |
SN54LVTT244, SN74LVTT244
3.3-V ABT OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCES006 – FEBRUARY 1995
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54LVTT244
MIN
TYP
SN74LVTT244
MIN
TYP
UNIT
MAX
MAX
VIK
VCC = 2.7 V,
VCC = MIN to MAX,
VCC = 2.7 V,
II = –18 mA
IOH = –100
μ
A
IOH = – 8 mA
IOH = – 24 mA
IOH = –32 mA
IOL = 100
μ
A
IOL = 24 mA
IOL = 16 mA
IOL = 32 mA
IOL = 48 mA
IOL = 64 mA
VI = 5.5 V
VI = VCC or GND
VI or VO = 0 to
4.5 V
VO = 3 V
VO = 0.5 V
–1.2
–1.2
V
VCC–0.2
2.4
VCC–0.2
2.4
VOH
V
VCC= 3 V
VCC = 3 V
2
2
VCC= 2 7 V
VCC = 2.7 V
0.2
0.2
0.5
0.5
VOL
0.4
0.4
V
VCC= 3 V
VCC = 3 V
0.5
0.5
0.55
0.55
II
VCC = 0 or MAX,
VCC = 3.6 V,
VCC = 0,
VCC = 3.6 V,
VCC = 3.6 V,
50
±
1
10
±
1
μ
A
Ioff
IOZH
IOZL
±
100
μ
A
μ
A
μ
A
1
5
–1
–5
Outputs high
0.12
0.39
0.12
0.19
ICC
VCC = 3.6 V,
VI = VCC or GND
IO = 0,
Outputs low
8.6
14
8.6
12
mA
Outputs
disabled
0.12
0.39
0.12
0.19
ICC§
VCC = 3 V to 3.6 V,
Other inputs at VCC or GND
VI = 3 V or 0
VO = 3 V or 0
One input at VCC – 0.6 V,
0.3
0.2
mA
Ci
Co
4
4
pF
8
8
pF
All typical values are at VCC = 3.3 V, TA = 25
°
C.
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
§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 operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 1)
SN54LVTT244
VCC = 3.3 V
±
0.3 V
MIN
MAX
0.5
4.7
SN74LVTT244
VCC = 3.3 V
±
0.3 V
MIN
TYP
1
2.5
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 2.7 V
VCC = 2.7 V
UNIT
MIN
MAX
5.2
MAX
4.1
MIN
MAX
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
A
Y
5
ns
0.5
4.4
5.4
1
2.5
4.1
5.2
OE
Y
0.8
5.4
6.5
1
2.7
5.2
6.3
ns
0.8
5.4
7.6
1.1
3.1
5.2
6.7
OE
Y
1.5
1.2
6.2
5.5
6.9
1.9
1.8
3.9
3.2
5.6
5.1
6.3
5.6
ns
6
All typical values are at VCC = 3.3 V, TA = 25
°
C.
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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