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参数资料
| 型号： | SN74LV245PWR |
| 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 TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封装： | PLASTIC, TSSOP-20 |
| 文件页数： | 3/6页 |
| 文件大小： | 115K |
| 代理商： | SN74LV245PWR |
SN54LV245, SN74LV245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS075E – JANUARY 1991 – REVISED APRIL 1996
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 4)
SN54LV245
SN74LV245
UNIT
MIN
MAX
MIN
MAX
UNIT
VCC
Supply voltage
2.7
5.5
2.7
5.5
V
VIH
High level input voltage
VCC = 2.7 V to 3.6 V
2
V
VIH
High-level input voltage
VCC = 4.5 V to 5.5 V
3.15
V
VIL
Low level input voltage
VCC = 2.7 V to 3.6 V
0.8
V
VIL
Low-level input voltage
VCC = 4.5 V to 5.5 V
1.65
V
VI
Input voltage
0
VCC
0
VCC
V
VO
Output voltage
0
VCC
0
VCC
V
IOH
High level output current
VCC = 2.7 V to 3.6 V
–8
mA
IOH
High-level output current
VCC = 4.5 V to 5.5 V
–16
mA
IOL
Low level output current
VCC = 2.7 V to 3.6 V
8
mA
IOL
Low-level output current
VCC = 4.5 V to 5.5 V
16
mA
t/v
Input transition rise or fall rate
0
50
0
50
ns / V
TA
Operating free-air temperature
–55
125
–40
85
°C
NOTE 4: Unused inputs must be held high or low to prevent them from floating.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
SN54LV245
SN74LV245
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
IOH = –100 A
MIN to MAX
VCC–0.2
VOH
IOH = –8 mA
3 V
2.4
V
IOH = –16 mA
4.5 V
3.6
IOL = 100 A
MIN to MAX
0.2
VOL
IOL = 8 mA
3 V
0.4
V
IOL = 16 mA
4.5 V
0.55
II
VI =VCC or GND
3.6 V
±1
A
II
VI = VCC or GND
5.5 V
±1
A
I
VO =VCC or GND
3.6 V
±5
A
IOZ
VO = VCC or GND
5.5 V
±5
A
ICC
VI =VCC or GND
IO =0
3.6 V
20
A
ICC
VI = VCC or GND,
IO = 0
5.5 V
20
A
nICC
One input at VCC – 0.6 V,
Other inputs at VCC or GND
3 V to 3.6 V
500
A
Ci
Control inputs
VI =VCC or GND
3.3 V
2.5
pF
Ci
Control inputs
VI = VCC or GND
5 V
3
pF
C
AorB port
VO =VCC or GND
3.3 V
7
pF
Co
A or B port
VO = VCC or GND
5 V
8
pF
For conditions shown as MIN or MAX, use the appropriate values under recommended operating conditions.
For I/O ports, the parameter IOZ includes the input leakage current.
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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| SN74LV273ADBRG4 | 功能描述:触发器 Octal DType FlipFlop RoHS:否 制造商:Texas Instruments 电路数量:2 逻辑系列:SN74 逻辑类型:D-Type Flip-Flop 极性:Inverting, Non-Inverting 输入类型:CMOS 输出类型: 传播延迟时间:4.4 ns 高电平输出电流:- 16 mA 低电平输出电流:16 mA 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:X2SON-8 封装:Reel |
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