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(hào): GAL16V8D-25LPN
廠商: Lattice Semiconductor Corporation
文件頁數(shù): 24/26頁
文件大?。?/td> 0K
描述: IC PLD 8MACRO 5.0V 25NS 20PDIP
標(biāo)準(zhǔn)包裝: 18
系列: GAL®16V8
可編程類型: EE PLD
最大延遲時(shí)間 tpd(1): 25.0ns
電壓電源 - 內(nèi)部: 4.75 V ~ 5.25 V
宏單元數(shù): 8
工作溫度: 0°C ~ 75°C
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
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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