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参数资料
| 型号： | SN74LVCH245PWR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | LVC/LCX/Z SERIES, DUAL 4-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封装： | tssop-20 |
| 文件页数： | 3/7页 |
| 文件大小： | 106K |
| 代理商： | SN74LVCH245PWR |
SN74LVCH245
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES008 – JULY 1995
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 4)
MIN
MAX
UNIT
VCC
Supply voltage
Operating
2
3.6
V
VCC
Supply voltage
Data retention only
1.5
V
VIH
High-level input voltage
VCC = 2.7 V to 3.6 V
2
V
VIL
Low-level input voltage
VCC = 2.7 V to 3.6 V
0.8
V
VI
Input voltage data inputs
0
5.5
V
VO
Output voltage
High or low state
0
VCC
V
VO
Output voltage
3 state
0
5.5
V
IOH
High level output current
VCC = 2.7 V
–12
mA
IOH
High-level output current
VCC = 3 V
–24
mA
IOL
Low level output current
VCC = 2.7 V
12
mA
IOL
Low-level output current
VCC = 3 V
24
mA
t/v
Input transition rise or fall rate
0
10
ns / V
TA
Operating free-air temperature
–40
85
°C
NOTE 4: Unused control 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
MIN
TYP
MAX
UNIT
IOH = – 100 A
MIN to MAX
VCC – 0.2
VOH
IOH =12 mA
2.7 V
2.2
V
VOH
IOH = – 12 mA
3 V
2.4
V
IOH = – 24 mA
3 V
2.2
IOL = 100 A
MIN to MAX
0.2
VOL
IOL = 12 mA
2.7 V
0.4
V
IOL = 24 mA
3 V
0.55
II
VI = 5.5 V or GND
3.6 V
±5
A
VI = 0.8 V
3 V
75
II(hold)
VI = 2 V
3 V
–75
A
()
VI = 0 to 3.6 V
3.6 V
±500
I
§
VO = VCC or GND
MIN to MAX
±10
A
IOZ§
VO = 3.6 V or 5.5 V
MIN to MAX
±50
A
ICC
VI = VCC or GND,
IO = 0
3.6 V
10
A
nICC
One input at VCC – 0.6 V,
Other inputs at VCC or GND
2.7 V to 3.6 V
500
A
Ci
Control inputs
VI = VCC or GND
3.3 V
3.3
pF
Cio
A or B ports
VO = VCC or GND
3.3 V
5.4
pF
For conditions shown as MIN or MAX, use the appropriate values under recommended operating conditions.
All typical values are measured at VCC = 3.3 V, TA = 25°C.
§ For I/O ports, the parameter IOZ includes the input leakage current.
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