參數(shù)資料
型號: XR16L651
廠商: Exar Corporation
英文描述: 2.5V, 3.3V and 5V Low Power UART with 32-Byte FIFO(2.5V, 3.3V和5V 低功耗通用異步接收器/發(fā)送器(帶32字節(jié)先進先出))
中文描述: 2.5V,3.3V與5V的低功耗的UART與32字節(jié)的FIFO(2.5伏,3.3伏和5V的低功耗通用異步接收器/發(fā)送器(帶32字節(jié)先進先出))
文件頁數(shù): 33/46頁
文件大?。?/td> 516K
代理商: XR16L651
á
XR16L651
2.5V, 3.3 AND 5V LOW POWER UART WITH 32-BYTE FIFO
PRELIMINARY
REV. P1.0.0
33
AC ELECTRICAL CHARACTERISTICS FOR 2.5V SIGNALLING
U
NLESS
OTHERWISE
NOTED
: TA=0
O
TO
70
O
C (-40
O
TO
+85
O
C
FOR
INDUSTRIAL
GRADE
PACKAGE
), V
CC
IS
2.5V +/-
10%
S
YMBOL
P
ARAMETER
M
IN
M
AX
U
NIT
N
OTES
OSC
Crystal Oscillator
16
MHz
CLK
External Clock
24
MHz
TAS
Address Valid to CS# Asserted
15
ns
TAH
CS# De-asserted to Address Invalid
10
ns
TDLY
Delay between CS# Active Cycles
(16 Mode)
50
ns
TRD
Read Strobe Width (16 Mode)
50
ns
TWR
Write Strobe Width (16 Mode)
50
ns
TDA
Read/Write Asserted to Data Valid
50
ns
TDH
Read/Write De-asserted to Data Invalid
50
ns
TRWS
R/W# Valid to CS# Valid (68 Mode)
TBD
ns
TRWH
CS# De-asserted to R/W# De-asserted
(68 Mode)
TBD
ns
TCSL
CS# Active Width
TBD
ns
TCSH
CS# Inactive Width
TBD
ns
T17D
Delay from IOW# to output
50
ns
T18D
Delay to set Interrupt from Modem Input
50
ns
T19D
Delay to reset Interrupt from IOR#
50
ns
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