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參數資料
| 型號： | SN54LV245AFK |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | LV/LV-A/LVX/H SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CQCC20 |
| 封裝： | CERAMIC, LCC-20 |
| 文件頁數： | 6/11頁 |
| 文件大?。?/td> | 189K |
| 代理商： | SN54LV245AFK |
SN54LV245A, SN74LV245A
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS382D – SEPTEMBER 1997 – REVISED MAY 2000
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 4)
SN54LV245A
SN74LV245A
UNIT
MIN
MAX
MIN
MAX
UNIT
VCC
Supply voltage
2
5.5
2
5.5
V
VCC = 2 V
1.5
VIH
High level input voltage
VCC = 2.3 V to 2.7 V
VCC × 0.7
V
VIH
High-level input voltage
VCC = 3 V to 3.6 V
VCC × 0.7
V
VCC = 4.5 V to 5.5 V
VCC × 0.7
VCC = 2 V
0.5
VIL
Low level input voltage
VCC = 2.3 V to 2.7 V
VCC × 0.3
V
VIL
Low-level input voltage
VCC = 3 V to 3.6 V
VCC × 0.3
V
VCC = 4.5 V to 5.5 V
VCC × 0.3
VI
Input voltage
0
5.5
0
5.5
V
VO
Output voltage
High or low state
0
VCC
0
VCC
V
VO
Output voltage
3-state
0
5.5
0
5.5
V
VCC = 2 V
–50
A
IOH
High level output current
VCC = 2.3 V to 2.7 V
–2
IOH
High-level output current
VCC = 3 V to 3.6 V
–8
mA
VCC = 4.5 V to 5.5 V
–16
VCC = 2 V
50
A
IOL
Low level output current
VCC = 2.3 V to 2.7 V
2
IOL
Low-level output current
VCC = 3 V to 3.6 V
8
mA
VCC = 4.5 V to 5.5 V
16
VCC = 2.3 V to 2.7 V
0
200
0
200
t/v
Input transition rise or fall rate
VCC = 3 V to 3.6 V
0
100
0
100
ns/V
0
20
0
20
TA
Operating free-air temperature
–55
125
–40
85
°C
NOTE 4: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
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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