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器件3D模型￥ 4.758
NA556D 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
可编程定时器芯片
封装:
SOIC-14
描述:
双路精密定时器 DUAL PRECISION TIMERS
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NA556D数据手册
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of 19 Go
若手册格式错乱，请下载阅览PDF原文件
www.ti.com
OUT
RESETV
CC
CONT
GND
DISCH
THRES
TRIG
RESET can overrideTRIG, which can overrideTHRES.
NA556 , NE556 , SA556 , SE556
DUAL PRECISION TIMERS
SLFS023G – APRIL 1978 – REVISED JUNE 2006
ORDERING INFORMATION
V
T
(MAX)
T
A
PACKAGE
(1)
ORDERABLE PART NUMBER TOP-SIDE MARKING
V
CC
= 15 V
PDIP – N Tube of 25 NE556N NE556N
Tube of 50 NE556D
0 ° C to 70 ° C 11.2 V SOIC – D NE556
Reel of 2500 NE556DR
SOP – NS Reel of 2000 NE556NSR NE556
–40 ° C to 85 ° C 11.2 V PDIP – N Tube of 25 SA556N SA556N
PDIP – N Tube of 25 NA556N NA556N
–40 ° C to 105 ° C 11.2 V Tube of 50 NA556D
SOIC – D NA556
Reel of 2500 NA556DR
SE556J SE556J
–55 ° C to 125 ° C 10.6 V CDIP – J Tube of 25
SE556JB SE556JB
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
FUNCTION TABLE
(each timer)
TRIGGER THRESHOLD DISCHARGE
RESET OUTPUT
VOLTAGE
(1)
VOLTAGE
(1)
SWITCH
Low Irrelevant Irrelevant Low On
High <1/3 V
DD
Irrelevant High Off
High >1/3 V
DD
>2/3 V
DD
Low On
High >1/3 V
DD
<2/3 V
DD
As previously established
(1) Voltage levels shown are nominal.
FUNCTIONAL BLOCK DIAGRAM, EACH TIMER
2
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