參數(shù)資料
型號(hào): XA2C64A-8VQG100Q
廠商: Xilinx Inc
文件頁(yè)數(shù): 6/16頁(yè)
文件大小: 0K
描述: IC CPLD 64MCELL 64 I/O 100-VQFP
產(chǎn)品培訓(xùn)模塊: CoolRunner-II CPLD Starter Kit
標(biāo)準(zhǔn)包裝: 90
系列: CoolRunner II
可編程類型: 系統(tǒng)內(nèi)可編程
最大延遲時(shí)間 tpd(1): 6.7ns
電壓電源 - 內(nèi)部: 1.7 V ~ 1.9 V
邏輯元件/邏輯塊數(shù)目: 4
宏單元數(shù): 64
門數(shù): 1500
輸入/輸出數(shù): 64
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 100-TQFP
供應(yīng)商設(shè)備封裝: 100-VQFP(14x14)
包裝: 托盤(pán)
XA2C64A CoolRunner-II Automotive CPLD
14
DS553 (v1.1) May 5, 2007
Product Specification
R
CoolRunner-II Automotive Requirements and Recommendations
Requirements
The following requirements are for all automotive applica-
tions:
1. Use a monotonic, fast ramp power supply to power up
CoolRunner-II . A VCC ramp time of less than 1 ms is
required.
2. Do not float I/O pins during device operation. Floating
I/O pins can increase ICC as input buffers will draw
1-2 mA per floating input. In addition, when I/O pins are
floated, noise can propagate to the center of the CPLD.
I/O pins should be appropriately terminated with
bus-hold or pull-up. Unused I/Os can also be configured
as CGND (programmable GND).
3. Do not drive I/O pins without VCC/VCCIO powered.
4. Sink current when driving LEDs. Because all Xilinx
CPLDs have N-channel pull-down transistors on
outputs, it is required that an LED anode is sourced
through a resistor externally to VCC. Consequently, this
will give the brightest solution.
5. Avoid pull-down resistors. Always use external pull-up
resistors if external termination is required. This is
because the CoolRunner-II Automotive CPLD, which
includes some I/O driving circuits beyond the input and
output buffers, may have contention with external
pull-down resistors, and, consequently, the I/O will not
switch as expected.
6. Do not drive I/Os pins above the VCCIO assigned to its
I/O bank.
a. The current flow can go into VCCIO and affect a user
voltage regulator.
b. It can also increase undesired leakage current
associated with the device.
Figure 12: VQ100 Package
VQG100
Top View
GND
I/O
(3)
V
CCIO2
I/O
NC
I/O
NC
I/O
V
CCIO2
NC
GND
TDO
NC
I/O
NC
I/O
V
CC
I/O
(2)
I/O
GND
I/O
V
CCIO1
I/O
NC
TDI
NC
TMS
TCK
I/O
NC
I/O
NC
I/O
GND
I/O
NC
I/O
NC
GND
I/O
NC
I/O
Vcc
I/O
NC
I/O
VCCIO1
I/O(1)
VAUX
I/O
NC
GND
I/O(2)
I/O
NC
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(1) - Global Output Enable
(2) - Global Clock
(3) - Global Set/Reset
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