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Número de pieza | M4A5-192 | |
Descripción | High Performance E2CMOS In-System Programmable Logic | |
Fabricantes | Lattice Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de M4A5-192 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
No Preview Available ! ispMACH™ 4A CPLD Family
High Performance E2CMOS®
In-System Programmable Logic
FEATURES
◆ High-performance, E2CMOS 3.3-V & 5-V CPLD families
◆ Flexible architecture for rapid logic designs
— Excellent First-Time-FitTM and refit feature
— SpeedLockingTM performance for guaranteed fixed timing
— Central, input and output switch matrices for 100% routability and 100% pin-out retention
◆ High speed
— 5.0ns tPD Commercial and 7.5ns tPD Industrial
— 182MHz fCNT
◆ 32 to 512 macrocells; 32 to 768 registers
◆ 44 to 388 pins in PLCC, PQFP, TQFP, BGA, fpBGA and caBGA packages
◆ Flexible architecture for a wide range of design styles
— D/T registers and latches
— Synchronous or asynchronous mode
— Dedicated input registers
— Programmable polarity
— Reset/ preset swapping
◆ Advanced capabilities for easy system integration
— 3.3-V & 5-V JEDEC-compliant operations
— JTAG (IEEE 1149.1) compliant for boundary scan testing
— 3.3-V & 5-V JTAG in-system programming
— PCI compliant (-5/-55/-6/-65/-7/-10/-12 speed grades)
— Safe for mixed supply voltage system designs
— Programmable pull-up or Bus-FriendlyTM inputs and I/Os
— Hot-socketing
— Programmable security bit
— Individual output slew rate control
◆ Advanced E2CMOS process provides high-performance, cost-effective solutions
◆ Lead-free package options
Lead-
Free
Package
Options
Available!
Publication# ISPM4A Rev: M
Amendment/0
Issue Date: September 2006
1 page FUNCTIONAL DESCRIPTION
The fundamental architecture of ispMACH 4A devices (Figure 1) consists of multiple, optimized PAL®
blocks interconnected by a central switch matrix. The central switch matrix allows communication between
PAL blocks and routes inputs to the PAL blocks. Together, the PAL blocks and central switch matrix allow
the logic designer to create large designs in a single device instead of having to use multiple devices.
The key to being able to make effective use of these devices lies in the interconnect schemes. In the
ispMACH 4A architecture, the macrocells are flexibly coupled to the product terms through the logic
allocator, and the I/O pins are flexibly coupled to the macrocells due to the output switch matrix. In
addition, more input routing options are provided by the input switch matrix. These resources provide the
flexibility needed to fit designs efficiently.
Clock/Input
Pins
Note 3
Dedicated
Input Pins
Clock
Generator
4
Note 2
PAL Block
33/
34/
36
Logic
Array
Input
Switch
Matrix
Logic 16 Output/ 16
Allocator
Buried
with XOR
Macrocells
16
PAL Block
8
Note 1
16
I/O
Pins
I/O
Pins
PAL Block
Figure 1. ispMACH 4A Block Diagram and PAL Block Structure
I/O
Pins
17466G-001
Notes:
1. 16 for ispMACH 4A devices with 1:1 macrocell-I/O cell ratio (see next page).
2. Block clocks do not go to I/O cells in M4A(3,5)-32/32.
3. M4A(3,5)-192, M4A(3,5)-256, M4A3-384, and M4A3-512 have dedicated clock pins which cannot be used as inputs and do not connect to the central switch
matrix.
ispMACH 4A Family
5
5 Page The flip-flop can be configured as a D-type or T-type latch. J-K or S-R registers can be synthesized. The
primary flip-flop configurations are shown in Figure 6, although others are possible. Flip-flop functionality
is defined in Table 8. Note that a J-K latch is inadvisable as it will cause oscillation if both J and K inputs
are HIGH.
AP AR
DQ
AP AR
DQ
a. D-type with XOR
AP AR
LQ
G
c. Latch with XOR
AP AR
TQ
e. T-type with programmable T polarity
b. D-type with programmable D polarity
AP AR
LQ
G
d. Latch with programmable D polarity
f. Combinatorial with XOR
g. Combinatorial with programmable polarity
Figure 6. Primary Macrocell Configurations
ispMACH 4A Family
17466G-011
11
11 Page |
Páginas | Total 30 Páginas | |
PDF Descargar | [ Datasheet M4A5-192.PDF ] |
Número de pieza | Descripción | Fabricantes |
M4A5-192 | High Performance E2CMOS In-System Programmable Logic | Lattice Semiconductor |
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