参数资料
型号: XR16C850CJ-F
厂商: Exar Corporation
文件页数: 38/56页
文件大小: 0K
描述: IC UART FIFO 128B 44PLCC
标准包装: 27
特点: *
通道数: 1,UART
FIFO's: 128 字节
规程: RS485
电源电压: 2.97 V ~ 5.5 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: 44-LCC(J 形引线)
供应商设备封装: 44-PLCC(16.59x16.59)
包装: 管件
xr
XR16C850
REV. 2.3.1
2.97V TO 5.5V UART WITH 128-BYTE FIFO
43
AC ELECTRICAL CHARACTERISTICS
TA=0O TO 70OC (-40O TO +85OC FOR INDUSTRIAL GRADE PACKAGE), VCC IS 2.97V TO 5.5V, 70 PF LOAD WHERE
APPLICABLE
SYMBOL
PARAMETER
LIMITS
3.3V
MIN
MAX
LIMITS
5.0V
MIN
MAX
UNIT
CLK
Clock Pulse Duration
45
30
ns
OSC
Crystal Frequency (top mark date code "EC YYWW" and older)
8
24
MHz
OSC
Crystal Frequency (top mark date code "F2 YYWW" and newer)
16
24
MHz
OSC
External Clock Frequency
(top mark date code "EC YYWW" and older)
22
33
MHz
OSC
External Clock Frequency
(top mark date code "F2 YYWW" and newer)
22
36
MHz
TAS
Address Setup Time (AS# tied to GND)
5
0
ns
TAH
Address Hold Time (AS# tied to GND)
(top mark date code of "EC YYWW" and older)
10
5
ns
TAH
Address Hold Time (AS# tied to GND)
(top mark date code of "F2 YYWW" and newer)
0
ns
TCS
Chip Select Width
75
50
ns
TRD
IOR# Strobe Width
75
50
ns
TDY
Read/Write Cycle Delay
75
50
ns
TRDV
Data Access Time
35
25
ns
TDD
Data Disable Time
0
25
0
15
ns
TWR
IOW# Strobe Width
75
50
ns
TDS1
Data Setup Time (AS# tied to GND)
20
15
ns
TDH1
Data Hold Time (AS# tied to GND)
5
ns
TASW
Address Strobe Width
75
50
ns
TAS1
Address Setup Time (AS# used)
5
ns
TAH1
Address Hold Time (AS# used)
10
5
ns
TAS2
Address Setup Time (AS# used)
5
ns
TAH2
Address Hold Time (AS# used)
10
5
ns
TCS1
Delay from Chip Select to AS#
5
ns
TCSH
Delay from AS# to Chip Select
10
5
ns
TCS2
Delay from AS# to Chip Select
5
ns
TRD1
Delay from AS# to Read
10
5
ns
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