REV. 1.0.1 1.62V TO 3.63V UART WITH 16-BYTE FIFO AND VLIO INTERFACE For Power-Save, the UART internally isolates all of these input" />
參數(shù)資料
型號: XR16M581IL24-F
廠商: Exar Corporation
文件頁數(shù): 38/51頁
文件大?。?/td> 0K
描述: IC UART FIFO 16B 24QFN
標準包裝: 490
特點: *
通道數(shù): 1,UART
FIFO's: 16 字節(jié)
規(guī)程: RS232,RS422,RS485
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(diào)制解調(diào)器控制功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 24-VFQFN 裸露焊盤
供應商設(shè)備封裝: 24-QFN 裸露焊盤(4x4)
包裝: 托盤
其它名稱: 1016-1456
XR16M581IL24-F-ND
XR16M581
43
REV. 1.0.1
1.62V TO 3.63V UART WITH 16-BYTE FIFO AND VLIO INTERFACE
For Power-Save, the UART internally isolates all of these inputs (except the modem inputs and Reset pins) therefore elimi-
nating any unnecessary external buffers to keep the inputs steady. SEE”POWER-SAVE FEATURE” ON PAGE 21. To
achieve minimum power drain, the voltage at any of the inputs of the M581 should NOT be lower than its VCC supply.
AC ELECTRICAL CHARACTERISTICS
TA = -40O TO +85OC, VCC IS 1.62 TO 3.6V, 25 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 Frequency
24
MHz
ECLK
External Clock Frequency
40
64
80
MHz
TECLK
External Clock Time Period
12
7
6
ns
TAS
Address Setup Time
10
8
6
ns
TAH
Address Hold Time
3
2
ns
TCSL
Delay from CS# to LLA#/IOR#/IOW#
0
ns
TLLA
LLA# Strobe Width
10
ns
TRD
IOR# Strobe Width
40
25
20
ns
TLLAR
Delay from LLA# to IOR#
2
ns
TLLAW
Delay from LLA# to IOW#
2
ns
TDY
Read/Write Cycle Delay
40
25
20
ns
TRDV
Data Access Time
40
20
15
ns
TDD
Data Disable Time
20
10
ns
TWR
IOW# Strobe Width
10
ns
TDS
Data Setup Time
10
8
6
ns
TDH
Data Hold Time
3
2
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 Start To Interrupt
45
ns
TINT
Delay From Initial INT Reset To
Transmit Start
8
24
8
24
8
24
Bclk
TWRI
Delay From IOW# To Reset Interrupt
45
ns
TSSR
Delay From Stop To Set RXRDY#
1
Bclk
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