|
DS90CP04 Datasheet, PDF (4/18 Pages) National Semiconductor (TI) – 4x4 Low Power 2.5 Gb/s LVDS Digital Cross-Point | |||
|
◁ |
àºà¢ àªà»
àºà¢ à» àºà¢ ൪߸ à³à¥à¾ÉºÎ»Î Ï
Ö¤ÏϧνÏϨΫαʹÚà¯¨Í·à ©à²à³à¾
IN1 Ê´
16
I, LVDS
IN1 ʵ
15
IN2 Ê´
14
I, LVDS
IN2 ʵ
13
IN3 Ê´
12
I, LVDS
IN3 ʵ
11
IN4 Ê´
10
I, LVDS
IN4 ʵ
9
à ©à²ÎµÎ ονà¥à¾
OUT1 Ê´
25
O, LVDS
OUT1 ʵ
26
OUT2 Ê´
27
O, LVDS
OUT2 ʵ
28
OUT3 Ê´
29
O, LVDS
OUT3 ʵ
30
OUT4 Ê´
31
O, LVDS
OUT4 ʵ
32
Ïδλϧà©ÞΠϯλÏΣÊε
SCLK
6
I, LVCMOS
SI / SEL1
7
SEL0
5
CSO
18
RSO
2
I, LVCMOS
I, LVCMOS
O, LVCMOS
CSCLK
19
O, LVCMOS
RSCLK
3
LOAD
22
I, LVCMOS
MODE
23
I, LVCMOS
POWER
VDD
1, 8, 17, 24
GND
4, 20, 21,
DAP
I, Power
I, Power
àµà°¸ÍÎͼà¶àµà°¸à ©à²à³à¾
àµà°¸ÍÎͼà¶àµà°¸à ©à²à³à¾
àµà°¸ÍÎͼà¶àµà°¸à ©à²à³à¾
àµà°¸ÍÎͼà¶àµà°¸à ©à²à³à¾
àªà»
àµà°¸ÍÎͼà¶àµà°¸à ©à²à¥à¾É» IN1 ʶɺIN2 ʶɺIN3 ʶɺIN4 ʶͷà³ÒÍ·à ©à²ÏÎÎ
OUT1 ʶÍÎà¥à¾Õà³³
àµà°¸ÍÎͼà¶àµà°¸à ©à²à¥à¾É» IN1 ʶɺIN2 ʶɺIN3 ʶɺIN4 ʶͷà³ÒÍ·à ©à²ÏÎÎ
OUT2 ʶÍÎà¥à¾Õà³³
àµà°¸ÍÎͼà¶àµà°¸à ©à²à¥à¾É» IN1 ʶɺIN2 ʶɺIN3 ʶɺIN4 ʶͷà³ÒÍ·à ©à²ÏÎÎ
OUT3 ʶÍÎà¥à¾Õà³³
àµà°¸ÍÎͼà¶àµà°¸à ©à²à¥à¾É» IN1 ʶɺIN2 ʶɺIN3 ʶɺIN4 ʶͷà³ÒÍ·à ©à²ÏÎÎ
OUT4 ʶÍÎà¥à¾Õà³³
SI ÍÎà³à¾ÍÎÎÏϩάϥÏϯάɾÏÊλÎϥον͢Îà©ÞΫϩοΫͰ͢ɻ SCLK ͸
0MHz ÍÎ 100MHz Í´à¬°Ô Í Í¯ÍÎ͢ɻÏÏΠεʹÎΫηε͢ÎͱÍÍ·ÎɺSCLK ʹΫ
ϩοΫɾÏϧεྻÎ༩ÍͯÍÍ©ÍÍÉ»ÏϩάϥÏϯάÞà¾×¬Í¸Éºß´à¬à ©à²ÏÊλɾÏεʹ
ର͢ÎÏΠζà à³Î๷ÍͨÎɺSCLK ͸࿦ཧ LOW Í´à¸à£Í ͯÍÍ©ÍÍÉ»
εΠονßà©Îࢦà°Í¢ÎÏϩάϥÏϯάɾÏÊλà³à¾Í°Í¢É»ÏÊλ͸ SCLK ͷཱͪà§ÍÎ
ΫϩοΫͰ಺෦ÏοÏÎɾϨδελʹϥονÍÎÎ͢ɻ
εΠονßà©Îࢦà°Í¢ÎÏϩάϥÏϯάɾÏÊλͰ͢ɻ
MODE Í LOW ͷͱÍɺγϦÎϧɾνΣÊϯͷà£à®Í·ÏÏΠεʹ޲ÍͯɺίϯÏÏ©Êϧɾ
ÏÊÎ»Í CSO(RSO) ÍÎγÏÏà¥à¾ÍÎÎ͢ɻ CSO(RSO) ÍÎà¥à¾ÍÎÎίϯÏÏ©Êϧɾ
ÏÊλ͸ SI Í´à³à¾ÍÎͨÏÊλͱà²Í¡Í°Í¢ÍɺÏÏÎ ÎµÍ·Î¯Ï¥Ï ( Ï©Ê )ɾÎÏ
Ϩε͸಺
෦Ͱ 1 Íà¢Ý®ÍÍ£ÎͯɺνΣÊϯͷà£à®Í·ÏÏΠεʹ఻à¡ÍÎÎ͢ɻ CSO(RO) ͸
SCLK ͷཱͪà§ÍÎΤοδʹà²Í¯Í ظà¥à¾ÍÎÎ͢ɻ
MODE Í LOW ͷͱÍɺÍÎÎàºà¢ ÍÎ͸à©ÞΫϩοΫSCLK ÎÏοÏÎÍ Í¨Î«Ï©Î¿Î«à§´
߸Íà¥à¾ÍÎÎ͢ɻΧεÎÊÏ
àªà¬Í ͨγϦÎϧà©ÞÏεͰɺCSCLK(RSCLK) ͸γϦ
ÎϧɾνΣÊϯͷà£à®Í·ÏÏΠεʹର͢ÎÎ«Ï©Î¿Î«Í±Í Í¯à¢à¼»Í Î͢ɻ
LOAD à§´ß¸Í HIGH Í·Í±Í SCLK Î LOW ÍÎ HIGH Í´àªÒ ÍͤÎͱɺÏÏΠε͸
Ï©ÊÏ
ɾϨδελʹॻÍà ÎÎͯÍÎÏϩάϥÏϯάɾÏÊλÎßà©Ï¨Î´ÎµÎ»Í´à°¸à«¹Í Î͢ɻ
ÍͷλΠÏϯάͰશà¥à¾àºà¢ ͸৽ÙͷεΠονßà©Í´à©¾ÎସÎÎÎ͢ɻ LOAD ৴߸͸ 1
SCLK αΠΫϧͷΠHIGH Í´Í Í¯ÍÍ©ÍÍÉ» LOAD ৴߸ΠHIGH Í·ÎÎà¸à£Í¢Îͱß
à©Ï¨Î´ÎµÎ»ÎͷసૹÍÜÎà¸¦Í àµà©Í Î͢ɻ
MODE Í LOW ͷͱÍSCLK à³à¾Í¸ÎΫÏÎÏͱͳÎɺÏοÏÎÍÎͨ SCLK ৴߸Í
CSCLK/RSCLK àºà¢ ÍÎà¥à¾ÍÎÎ͢ɻ MODE Í HIGH ͷͱÍɺSCLK ৴߸͸Ϩδ
ελճà¿Í±à²ºà·¦ÎµÏÊÏɾÏγϯÍÎ੾Îà½ÍÎÎ͢ɻ MODE Í LOW ʹͳÎÎͰ಺෦Ϩ
δελà¬ÍÎͨÝà§ß¹Éºà·à¿¦à½§à§à¬¶Í´Í³Í¬Í¯ÍÎ͢ɻ
VDD ͸ 2.5V ʶ 5ËͰ͢ɻ4 ݸÒà§Í·à¯¿ ESR 0.01ÐF Í·ÏÎ ÏεɾίϯÏϯαΠVDDͱ
GND ØÍ´àªà¬Í ͯÍÍ©ÍÍÉ»
LVDS ͱ CMOS Õ³à¿Í·Î¬Ï¥Î¢Ï¯Ï
ج४Ͱ͢ɻ LLP-32 ÏοÎÊδͷԼà»Í´Í¸ DAP ÍÍ
ÎÛà¬Î¯Ï¯Î»Î«ÏÍà¿à¥Í ͯÍÎ͢ɻ DAP ͸ÏÏΠεͷà¤Í±Í³Îάϥ΢ϯÏ
ʹͳÎÎ͢ɻ à ·
దͳ AC ÍÎͼ೤à©à³³Îà²ÎͨÎɺ4 ݸÒà§Í·ÏÎͰάϥ΢ϯÏ
à«Í´àªà¬Í ͯÍÍ©ÍÍÉ»
www.national.com/JPN/
4
|
▷ |