REV. 1.0.2 HIGH PERFORMANCE LOW VOLTAGE DUART WITH 32-BYTE FIFO AC ELECTRICAL CHARACTERISTICS Unless ot" />
參數(shù)資料
型號: XR16M2650IM48-F
廠商: Exar Corporation
文件頁數(shù): 31/47頁
文件大小: 0K
描述: IC UART FIFO 32B DUAL 48TQFP
標準包裝: 250
特點: *
通道數(shù): 2,DUART
FIFO's: 32 字節(jié)
規(guī)程: RS232,RS422
電源電壓: 1.62 V ~ 3.63 V
帶自動流量控制功能:
帶IrDA 編碼器/解碼器:
帶故障啟動位檢測功能:
帶調制解調器控制功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 48-TQFP
供應商設備封裝: 48-TQFP(7x7)
包裝: 托盤
XR16M2650
37
REV. 1.0.2
HIGH PERFORMANCE LOW VOLTAGE DUART WITH 32-BYTE FIFO
AC ELECTRICAL CHARACTERISTICS
Unless otherwise noted: TA = -40o to +85oC, Vcc=1.62 - 3.63V, 70 pF load where applicable
SYMBOL
PARAMETER
LIMITS
1.8V ± 10%
MIN
MAX
LIMITS
2.5V ± 10%
MIN
MAX
LIMITS
3.3V ± 10%
MIN
MAX
UNIT
XTAL1
UART Crystal Oscillator
24
MHz
ECLK
External Clock
32
50
64
MHz
TECLK
External Clock Time Period
15
10
7
ns
TAS
Address Setup Time
0
ns
TAH
Address Hold Time
0
ns
TCS
Chip Select Width
65
40
35
ns
TRD
IOR# Strobe Width
65
40
35
ns
TDY
Read Cycle Delay
65
40
35
ns
TRDV
Data Access Time
60
35
30
ns
TDD
Data Disable Time
25
ns
TWR
IOW# Strobe Width
65
40
35
ns
TDY
Write Cycle Delay
65
40
35
ns
TDS
Data Setup Time
20
10
ns
TDH
Data Hold Time
3
ns
TWDO
Delay From IOW# To Output
0
ns
TMOD
Delay To Set Interrupt From MODEM Input
0
ns
TRSI
Delay To Reset Interrupt From IOR#
0
ns
TSSI
Delay From Stop To Set Interrupt
60
35
30
Bclk
TRRI
Delay From IOR# To Reset Interrupt
25
ns
TSI
Delay From Stop To Interrupt
20
10
ns
TINT
Delay From Initial INT Reset To Transmit Start
5
Bclk
TWRI
Delay From IOW# To Reset Interrupt
5
ns
TSSR
Delay From Stop To Set RXRDY#
65
40
35
Bclk
TRR
Delay From IOR# To Reset RXRDY#
65
40
35
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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