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參數(shù)資料
| 型號(hào)： | SN54LVTZ244 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | XTAL CER SMT 7X5 2PAD |
| 中文描述： | 的3.3V ABT生根粉八路緩沖器/ 3司機(jī)態(tài)輸出 |
| 文件頁數(shù)： | 3/7頁 |
| 文件大?。?/td> | 119K |
| 代理商： | SN54LVTZ244 |
SN54LVTZ244, SN74LVTZ244
3.3-V ABT OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS302C – SEPTEMBER 1993 – REVISED JULY 1995
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
CC
Input voltage range, V
I
(see Note 1)
Voltage range applied to any output in the high state or power-off state, V
O
(see Note 1)
Current into any output in the low state, I
O
: SN54LVTZ244
SN74LVTZ244
Current into any output in the high state, I
O
(see Note 2): SN54LVTZ244
–0.5 V to 4.6 V
–0.5 V to 7 V
–0.5 V to 7 V
. . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
96 mA
128 mA
48 mA
64 mA
–50 mA
–50 mA
0.6 W
1.6 W
0.7 W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . .
SN74LVTZ244
. . . . . . . . . . . . . . . . . . . . . . . .
Input clamp current, I
IK
(V
I
< 0)
Output clamp current, I
OK
(V
O
< 0)
Maximum power dissipation at T
A
= 55
°
C (in still air) (see Note 3): DB package
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
DW package
PW package
Operating free-air temperature range, T
A
: SN54LVTZ244
–55
°
C to 125
°
C
–40
°
C to 85
°
C
–65
°
C to 150
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74LVTZ244
Storage temperature range, T
stg
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
2. This current flows only when the output is in the high state and VO > VCC.
3. The maximum package power dissipation is calculated using a junction temperature of 150
°
C and a board trace length of 750 mils.
For more information, refer to the Package Thermal Considerationsapplication note in the 1994 ABT Advanced BiCMOS Technology
Data Book literature number SCBD002B.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
recommended operating conditions (see Note 4)
SN54LVTZ244
SN74LVTZ244
UNIT
MIN
MAX
MIN
MAX
VCC
VIH
VIL
VI
IOH
IOL
t/
v
t/
VCC
TA
NOTE 4: Unused control inputs must be held high or low to prevent them from floating.
Supply voltage
2.7
3.6
2.7
3.6
V
High-level input voltage
2
2
V
Low-level input voltage
0.8
0.8
V
Input voltage
5.5
5.5
V
High-level output current
–24
–32
mA
Low-level output current
48
64
mA
Input transition rise or fall rate
Outputs enabled
10
10
ns/V
μ
s/V
°
C
Power-up ramp rate
200
200
Operating free-air temperature
–55
125
–40
85
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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