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參數(shù)資料
型號: LA4064ZC-75TN48E
廠商: Lattice Semiconductor Corporation
文件頁數(shù): 39/42頁
文件大?。?/td> 0K
描述: IC CPLD 64MACROCELLS 48TQFP
標(biāo)準(zhǔn)包裝: 250
系列: LA-ispMACH
可編程類型: 系統(tǒng)內(nèi)可編程
最大延遲時間 tpd(1): 7.5ns
電壓電源 - 內(nèi)部: 1.7 V ~ 1.9 V
宏單元數(shù): 64
輸入/輸出數(shù): 32
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 48-TQFP
供應(yīng)商設(shè)備封裝: 48-TQFP(7x7)
包裝: 托盤
Lattice Semiconductor
LA-ispMACH 4000V/Z Automotive Family Data Sheet
6
Table 5. Product Term Expansion Capability
Every time the super cluster allocator is used, there is an incremental delay of tEXP. When the super cluster alloca-
tor is used, all destinations other than the one being steered to, are given the value of ground (i.e., if the super clus-
ter is steered to M (n+4), then M (n) is ground).
Macrocell
The 16 macrocells in the GLB are driven by the 16 outputs from the logic allocator. Each macrocell contains a pro-
grammable XOR gate, a programmable register/latch, along with routing for the logic and control functions.
Figure 5 shows a graphical representation of the macrocell. The macrocells feed the ORP and GRP. A direct input
from the I/O cell allows designers to use the macrocell to construct high-speed input registers. A programmable
delay in this path allows designers to choose between the fastest possible set-up time and zero hold time.
Figure 5. Macrocell
Enhanced Clock Multiplexer
The clock input to the ip-op can select any of the four block clocks along with the shared PT clock, and true and
complement forms of the optional individual term clock. An 8:1 multiplexer structure is used to select the clock. The
eight sources for the clock multiplexer are as follows:
Block CLK0
Block CLK1
Block CLK2
Expansion Chains
Macrocells Associated with Expansion Chain (with Wrap Around)
Max PT/Macrocell
Chain-0
M0
→ M4 → M8 → M12 → M0
75
Chain-1
M1
→ M5 → M9 → M13 → M1
80
Chain-2
M2
→ M6 → M10 → M14 → M2
75
Chain-3
M3
→ M7 → M11 → M15 → M3
70
Single PT
Block CLK0
Block CLK1
Block CLK2
Block CLK3
PT Clock (optional)
Shared PT Clock
CE
D/T/L
Q
RP
Shared PT Initialization
PT Initialization/CE (optional)
PT Initialization (optional)
From Logic Allocator
Power-up
Initialization
To ORP
To GRP
From I/O Cell
Delay
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