参数资料
型号: XR16V2650IL-F
厂商: Exar Corporation
文件页数: 31/47页
文件大小: 0K
描述: IC UART FIFO 32B DUAL 32QFN
标准包装: 490
特点: *
通道数: 2,DUART
FIFO's: 32 字节
规程: RS232,RS422
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: 32-VFQFN 裸露焊盘
供应商设备封装: 32-QFN 裸露焊盘(5x5)
包装: 托盘
XR16V2650
37
REV. 1.0.2
HIGH PERFORMANCE DUART WITH 32-BYTE FIFO
AC ELECTRICAL CHARACTERISTICS
UNLESS OTHERWISE NOTED: TA = -40O TO +85OC, VCC=2.25 - 3.6V, 70 PF LOAD WHERE APPLICABLE
SYMBOL
PARAMETER
LIMITS
2.5V ± 10%
MIN
MAX
LIMITS
3.3V ± 10%
MIN
MAX
UNIT
XTAL1
UART Crystal Oscillator
32
24
MHz
ECLK
External Clock
50
64
MHz
TECLK
External Clock Time Period
10
7
ns
TAS
Address Setup Time
0
ns
TAH
Address Hold Time
0
ns
TCS
Chip Select Width
40
35
ns
TRD
IOR# Strobe Width
40
35
ns
TDY
Read Cycle Delay
40
35
ns
TRDV
Data Access Time
35
30
ns
TDD
Data Disable Time
25
ns
TWR
IOW# Strobe Width
40
35
ns
TDY
Write Cycle Delay
40
35
ns
TDS
Data Setup Time
10
ns
TDH
Data Hold Time
3
ns
TWDO
Delay From IOW# To Output
50
ns
TMOD
Delay To Set Interrupt From MODEM Input
50
ns
TRSI
Delay To Reset Interrupt From IOR#
50
ns
TSSI
Delay From Stop To Set Interrupt
1
Bclk
TRRI
Delay From IOR# To Reset Interrupt
45
ns
TSI
Delay From Stop To Interrupt
45
ns
TINT
Delay From Initial INT Reset To Transmit Start
8
24
8
24
Bclk
TWRI
Delay From IOW# To Reset Interrupt
45
ns
TSSR
Delay From Stop To Set RXRDY#
1
Bclk
TRR
Delay From IOR# To Reset RXRDY#
45
ns
TWT
Delay From IOW# To Set TXRDY#
45
ns
TSRT
Delay From Center of Start To Reset TXRDY#
8
Bclk
TRST
Reset Pulse Width
40
ns
Bclk
Baud Clock
16X or 8X or 4X of data rate
Hz
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