A=0° - 70°C (-40° - +85°C for Industrial grade packag" />
參數(shù)資料
型號: XR68C92IJTR-F
廠商: Exar Corporation
文件頁數(shù): 19/33頁
文件大?。?/td> 0K
描述: DUAL CHANNEL UART 44PLCC
標(biāo)準(zhǔn)包裝: 500
特點(diǎn): *
通道數(shù): 2,DUART
FIFO's: 16 字節(jié)
電源電壓: 2.97 V ~ 5.5 V
帶自動流量控制功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 44-LCC(J 形引線)
供應(yīng)商設(shè)備封裝: 44-PLCC(16.59x16.59)
包裝: 帶卷 (TR)
XR68C92/192
26
Rev. 1.33
AC ELECTRICAL CHARACTERISTICS
T
A=0° - 70°C (-40° - +85°C for Industrial grade packages),
Vcc=3.3 - 5.0 V ± 10% unless otherwise specified.
T1w,T2w
Clock pulse duration
17
ns
T3w
Oscillator/Clock frequency
8
24
MHz
TAS
Address Valid to -CS Low
0
ns
TAH
-CS High to Address Invalid
0
ns
TRWS
R/-W Setup Time to -CS Low
0
ns
TRWH
R/-W Hold Time from -CS High
0
ns
TDD
-CS/-IACK Low to Data Valid (Read)
51
32
ns
TDS
Data Valid to -CS High (Write)
20
10
ns
TDH
-CS High to Data Invalid (Write)
1
ns
TDF
-CS/-IACK High to Data Hi-Z (Read)
30
20
ns
TCSL
-CS Low Pulse Width
100
70
ns
TCSH
-CS High Pulse Width
100
70
ns
T
AKL
-CS/-IACK Low to -DACK Low
70
42
ns
T
AKH
-CS/-IACK High to -DACK High
45
27
ns
T
AKT
-CS/-IACK High to -DACK Hi-Z
70
43
ns
T9s
Port input setup time
0
ns
T9h
Port input hold time
0
ns
T10d
Delay from R/-W to output
110
ns
T11d
Delay to reset interrupt from -CS
100
ns
TR
Reset pulse width
2
clks*
N
Baud rate divisor
1
216-1
1
216-1
N/A
* number of input clock (crystal or external clock) periods
Symbol
Parameter
Limits
Units
Conditions
3.3
5.0
Min
Max
Min
Max
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