參數(shù)資料
型號(hào)： SN54LV221AJ
廠商： TEXAS INSTRUMENTS INC
元件分類： 諧振器
英文描述： LV/LV-A/LVX/H SERIES, DUAL MONOSTABLE MULTIVIBRATOR, CDIP16
封裝： CERAMIC, DIP-16
文件頁(yè)數(shù)： 10/13頁(yè)
文件大?。?/td> 213K
代理商： SN54LV221AJ
SN54LV221A, SN74LV221A
DUAL MONOSTABLE MULTIVIBRATORS
WITH SCHMITT-TRIGGER INPUTS
SCLS450B – DECEMBER 1999 – REVISED AUGUST 2000
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
SN54LV221A
SN74LV221A
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
IOH = –50 A
2 V to 5.5 V
VCC–0.1
VOH
IOH = –2 mA
2.3 V
2
V
VOH
IOH = –6 mA
3 V
2.48
V
IOH = –12 mA
4.5 V
3.8
IOL = 50 A
2 V to 5.5 V
0.1
VOL
IOL = 2 mA
2.3 V
0.4
V
VOL
IOL = 6 mA
3 V
0.44
V
IOL = 12 mA
4.5 V
0.55
Rext/Cext
VI = VCC or GND
2 V to 5.5 V
±2.5
II
A B and CLR
VI =VCC or GND
0 V
±1
A
A, B, and CLR
VI = VCC or GND
5.5 V
±1
ICC
Quiescent
VI = VCC or GND,
IO = 0
5.5 V
20
A
2.3 V
220
ICC
Active state
VI = VCC or GND,
3 V
280
A
ICC
(per circuit)
ICC
,
Rext/Cext = 0.5 VCC
4.5 V
650
A
5.5 V
975
Ioff
VI or VO = 0 to 5.5 V
0 V
5
A
Ci
VI =VCC or GND
3.3 V
1.9
pF
Ci
VI = VCC or GND
5 V
1.9
pF
This test is performed with the terminal in the off-state condition.
timing requirements over recommended operating free-air temperature range, VCC = 2.5 V ± 0.2 V
(unless otherwise noted) (see Figure 1)
TEST CONDITIONS
TA = 25°C
SN54LV221A
SN74LV221A
UNIT
TEST CONDITIONS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
t
Pulse duration
CLR
6
6.5
ns
tw
Pulse duration
A or B trigger
6
6.5
ns
timing requirements over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V
(unless otherwise noted) (see Figure 1)
TEST CONDITIONS
TA = 25°C
SN54LV221A
SN74LV221A
UNIT
TEST CONDITIONS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
t
Pulse duration
CLR
5
ns
tw
Pulse duration
A or B trigger
5
ns
timing requirements over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V
(unless otherwise noted) (see Figure 1)
TEST CONDITIONS
TA = 25°C
SN54LV221A
SN74LV221A
UNIT
TEST CONDITIONS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
t
Pulse duration
CLR
5
ns
tw
Pulse duration
A or B trigger
5
ns
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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