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参数资料
| 型号： | SNJ54LV221AW |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 谐振器 |
| 英文描述： | LV/LV-A/LVX/H SERIES, DUAL MONOSTABLE MULTIVIBRATOR, CDFP16 |
| 封装： | GREEN, CERAMIC, DFP-16 |
| 文件页数： | 19/23页 |
| 文件大小： | 662K |
| 代理商： | SNJ54LV221AW |
SN54LV221A, SN74LV221A
DUAL MONOSTABLE MULTIVIBRATORS
WITH SCHMITT TRIGGER INPUTS
SCLS450G DECEMBER 1999 REVISED APRIL 2005
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 4)
SN54LV221A
SN74LV221A
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
0
VCC
0
VCC
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
6
mA
VCC = 4.5 V to 5.5 V
12
mA
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
6
mA
VCC = 4.5 V to 5.5 V
12
mA
Rext
External timing resistance
VCC = 2 V
5k
Rext
External timing resistance
VCC ≥ 3 V
1k
Cext
External timing capacitance
No restriction
pF
t/VCC Power-up ramp rate
1
ms/V
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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