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参数资料
| 型号： | SN74LVCZ244ANSRE4 |
| 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 DRIVER, TRUE OUTPUT, PDSO20 |
| 封装： | GREEN, PLASTIC, SOP-20 |
| 文件页数： | 9/15页 |
| 文件大小： | 484K |
| 代理商： | SN74LVCZ244ANSRE4 |
SN74LVCZ244A
OCTAL BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCES274H – JUNE 1999 – REVISED AUGUST 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 4)
MIN
MAX
UNIT
VCC
Supply voltage
2.7
3.6
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
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
6
ns/V
t/VCC Power-up ramp rate
150
s/V
TA
Operating free-air temperature
–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.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
V
IOH = –100 A
2.7 V to 3.6 V
VCC–0.2
V
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
V
IOL = 100 A
2.7 V to 3.6 V
0.2
V
VOL
IOL = 12 mA
2.7 V
0.4
V
OL
IOL = 24 mA
3 V
0.55
II
VI = 0 to 5.5 V
3.6 V
±5
A
Ioff
VO = 0 to 5.5 V
0
±5
A
IOZ
VO = 0 to 5.5 V
3.6 V
±5
A
IOZPU
VO = 0.5 V to 2.5 V,
OE = don’t care
0 to 1.5 V
±5
A
IOZPD
VO = 0.5 V to 2.5 V,
OE = don’t care
1.5 V to 0
±5
A
ICC
VI = VCC or GND
IO = 0
3.6 V
100
A
ICC
3.6 V
≤ VI ≤ 5.5 V
IO = 0
3.6 V
100
A
ICC
One input at VCC – 0.6 V,
Other inputs at VCC or GND
2.7 V to 3.6 V
100
A
Ci
VI = VCC or GND
3.3 V
3.5
pF
Co
VO = VCC or GND
3.3 V
5.5
pF
All typical values are at VCC = 3.3 V, TA = 25°C.
This applies in the disabled state only.
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