Specifications GAL16V8 5 In the Registered mode, macrocells are configured as dedicated registered outputs or as I/O functions. Architecture co" />
參數(shù)資料
型號: GAL16V8D-25LP
廠商: Lattice Semiconductor Corporation
文件頁數(shù): 24/26頁
文件大小: 0K
描述: IC GAL 8OUT MACROCELL 3.5NS 20DI
產(chǎn)品變化通告: Product Discontinuation 07/Sept/2010
標(biāo)準(zhǔn)包裝: 1
可編程類型: EE PLD
宏單元數(shù): 8
輸入電壓: 4.75 V ~ 5.25 V
速度: 25ns
安裝類型: 通孔
封裝/外殼: 20-DIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 20-PDIP
包裝: 管件
其它名稱: Q6330552A
Specifications GAL16V8
5
In the Registered mode, macrocells are configured as dedicated
registered outputs or as I/O functions.
Architecture configurations available in this mode are similar to the
common 16R8 and 16RP4 devices with various permutations of
polarity, I/O and register placement.
All registered macrocells share common clock and output enable
control pins. Any macrocell can be configured as registered or I/
O. Up to eight registers or up to eight I/O's are possible in this mode.
Dedicated input or output functions can be implemented as sub-
sets of the I/O function.
Registered outputs have eight product terms per output. I/O's have
seven product terms per output.
The JEDEC fuse numbers, including the User Electronic Signature
(UES) fuses and the Product Term Disable (PTD) fuses, are shown
on the logic diagram on the following page.
Registered Configuration for Registered Mode
- SYN=0.
- AC0=1.
- XOR=0 defines Active Low Output.
- XOR=1 defines Active High Output.
- AC1=0 defines this output configuration.
- Pin 1 controls common CLK for the registered outputs.
- Pin 11 controls common OE for the registered outputs.
- Pin 1 & Pin 11 are permanently configured as CLK &
OE for registered output configuration.
Combinatorial Configuration for Registered Mode
- SYN=0.
- AC0=1.
- XOR=0 defines Active Low Output.
- XOR=1 defines Active High Output.
- AC1=1 defines this output configuration.
- Pin 1 & Pin 11 are permanently configured as CLK &
OE for registered output configuration.
Note: The development software configures all of the architecture control bits and checks for proper pin usage automatically.
DQ
Q
CLK
OE
XOR
Registered Mode
ALL
DEVICES
DISCONTINUED
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