参数资料
型号: XR16V654IV-F
厂商: Exar Corporation
文件页数: 2/58页
文件大小: 0K
描述: IC UART FIFO 64B QUAD 64LQFP
标准包装: 160
特点: *
通道数: 4,QUART
FIFO's: 64 字节
规程: RS232
电源电压: 2.25 V ~ 3.6 V
带自动流量控制功能:
带IrDA 编码器/解码器:
带故障启动位检测功能:
带调制解调器控制功能:
带CMOS:
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 托盘
其它名称: 1016-1469
XR16V654IV-F-ND
XR16V654/654D
10
2.25V TO 3.6V QUAD UART WITH 64-BYTE FIFO
REV. 1.0.1
Pin type: I=Input, O=Output, I/O= Input/output, OD=Output Open Drain.
RESET
(RESET#)
20
27
37
33
43
I
When 16/68# pin is HIGH for Intel bus inter-
face, this input becomes the Reset pin
(active high). In this case, a 40 ns mini-
mum HIGH pulse on this pin will reset the
internal registers and all outputs. The UART
transmitter output will be held HIGH, the
receiver input will be ignored and outputs
are reset during reset period (Table 17).
When 16/68# pin is at LOW for Motorola
bus interface, this input becomes Reset#
pin (active low). This pin functions similarly,
but instead of a HIGH pulse, a 40 ns mini-
mum LOW pulse will reset the internal reg-
isters and outputs.
Motorola bus interface is not available on
the 64 pin package.
VCC
2, 24, 37
4, 35, 52
13, 47,
64
6, 46, 66
10, 61,
86
Pwr
2.25V to 3.6V power supply. All inputs,
except XTAL1, are 5V tolerant.
GND
21, 47
14, 28,
45, 61
6, 23, 40,
57
16, 36,
56, 76
20, 46,
71, 96
Pwr
Power supply common, ground.
GND
Center
Pad
N/A
Pwr
The center pad on the backside of the QFN
package is metallic and should be con-
nected to GND on the PCB. The thermal
pad size on the PCB should be the approxi-
mate size of this center pad and should be
solder mask defined. The solder mask
opening should be at least 0.0025" inwards
from the edge of the PCB thermal pad.
N.C.
-
1, 2, 20,
21, 22,
27, 40,
41, 42,
60, 61,
62, 80
No Connection. These pins are not used in
either the Intel or Motorola bus modes.
Pin Description
NAME
48-QFN
PIN #
64-LQFP
PIN #
68-PLCC
PIN#
80-LQFP
PIN #
100-QFP
PIN #
TYPE
DESCRIPTION
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