參數(shù)資料
型號(hào)： M4A3-96/48-10VC
廠商： Lattice Semiconductor Corporation
文件頁數(shù)： 62/62頁
文件大?。?/td> 0K
描述： IC CPLD ISP 4A 96MC 100TQFP
標(biāo)準(zhǔn)包裝： 90
系列： ispMACH® 4A
可編程類型： 系統(tǒng)內(nèi)可編程
最大延遲時(shí)間 tpd(1)： 10.0ns
電壓電源 - 內(nèi)部： 3 V ~ 3.6 V
宏單元數(shù)： 96
輸入/輸出數(shù)： 48
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 100-LQFP
供應(yīng)商設(shè)備封裝： 100-TQFP（14x14）
包裝： 托盤
ispMACH 4A Family
9
Note that the configuration of the logic allocator has absolutely no impact on the speed of the signal. All
configurations have the same delay. This means that designers do not have to decide between optimizing
resources or speed; both can be optimized.
If not used in the cluster, the extra product term can act in conjunction with the basic cluster to provide
XOR logic for such functions as data comparison, or it can work with the D-,T-type flip-flop to provide
for J-K, and S-R register operation. In addition, if the basic cluster is routed to another macrocell, the extra
product term is still available for logic. In this case, the first XOR input will be a logic 0. This circuit has the
flexibility to route product terms elsewhere without giving up the use of the macrocell.
Product term clusters do not “wrap” around a PAL block. This means that the macrocells at the ends of
the block have fewer product terms available.
0
17466G-007
Figure 3. Logic Allocator Congurations: Synchronous Mode
a. Basic cluster with XOR
b. Extended cluster, active high
c. Extended cluster, active low
d. Basic cluster routed away;
single-product-term, active high
e. Extended cluster routed away
0
17466G-008
Figure 4. Logic Allocator Congurations: Asynchronous Mode
b. Extended cluster, active high
c. Extended cluster, active low
e. Extended cluster routed away
d. Basic cluster routed away;
single-product-term, active high
a. Basic cluster with XOR
相關(guān)PDF資料
PDF描述
5145427-5 SEC-Z CONN ASSY 60 QUAD POS LF
GRM31A7U3A101JW31D CAP CER 100PF 1KV 5% U2J 1206
LC4064V-75T48I IC PLD 64MC 32I/O 7.5NS 48TQFP
LC4064V-5T48C IC PLD 64MC 32I/O 5NS 48TQFP
LC4064C-75T48I IC PLD 64MC 32I/O 7.5NS 48TQFP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M4A445032 制造商:Panasonic Industrial Company 功能描述:ESCUTCHEON
M4A450017A 制造商:Panasonic Industrial Company 功能描述:ESCUTCHEON
M4A453015 制造商:Panasonic Industrial Company 功能描述:ESCUTCHEON SUB: M4A453015A
M4A453015A 制造商:Panasonic Industrial Company 功能描述:ESCUTCHEON
M4A454015 制造商:Panasonic Industrial Company 功能描述:ESCUTCHEON SUB:M4A454015A
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