O TO
參數(shù)資料
型號(hào): XR16L788IQTR-F
廠(chǎng)商: Exar Corporation
文件頁(yè)數(shù): 41/54頁(yè)
文件大?。?/td> 0K
描述: IC UART FIFO 64B OCTAL 100QFP
標(biāo)準(zhǔn)包裝: 500
特點(diǎn): *
通道數(shù): 8
FIFO's: 64 字節(jié)
規(guī)程: RS485
電源電壓: 2.97 V ~ 5.5 V
帶自動(dòng)流量控制功能:
帶IrDA 編碼器/解碼器:
帶故障啟動(dòng)位檢測(cè)功能:
帶調(diào)制解調(diào)器控制功能:
安裝類(lèi)型: 表面貼裝
封裝/外殼: 100-BQFP
供應(yīng)商設(shè)備封裝: 100-QFP(14x20)
包裝: 帶卷 (TR)
XR16L788
46
HIGH PERFORMANCE 2.97V TO 5.5V OCTAL UART
REV. 1.2.3
AC ELECTRICAL CHARACTERISTICS
TA=0
O TO 70OC (-40O TO +85OC FOR INDUSTRIAL GRADE PACKAGE), VCC IS 2.97V TO 5.5V, 70 PF LOAD
WHERE APPLICABLE
Symbol
PARAMETER
3.3V
MIN
3.3V
MAX
5V
MIN
5V
MAX
UNITS
TC1,TC2 Clock Pulse Period
10
8
ns
TOSC
Crystal Frequency
16
24
MHz
TECK
External Clock Frequency
33
50
MHz
TAS
Address Setup (16 Mode)
5
ns
TAH
Address Hold (16 Mode)
10
ns
TCS
Chip Select Width (16 Mode)
50
ns
TDY
Delay between CS# Active Cycles (16 Mode)
50
ns
TRD
Read Strobe Width (16 Mode)
50
ns
TWR
Write Strobe Width (16 Mode)
40
30
ns
TRDV
Read Data Valid (16 Mode)
35
25
ns
TWDS
Write Data Setup (16 Mode)
15
10
ns
TRDH
Read Data Hold (16 Mode)
15
10
ns
TWDH
Write Data Hold (16 Mode)
15
10
ns
TADS
Address Setup (68 Mode)
10
5
ns
TADH
Address Hold (68 Mode)
10
ns
TRWS
R/W# Setup to CS# (68 Mode)
10
ns
TRDA
Read Data Access (68 mode)
35
25
ns
TRDH
Read Data Hold (68 mode)
15
10
ns
TWDS
Write Data Setup (68 mode)
10
ns
TWDH
Write Data Hold (68 Mode)
10
ns
TRWH
CS# De-asserted to R/W# De-asserted (68 Mode)
10
ns
TCSL
CS# Width (68 Mode)
50
40
ns
TCSD
CS# Cycle Delay (68 Mode)
50
40
ns
TWDO
Delay from IOW# to Modem Output
50
ns
TMOD
Delay to set Interrupt from Modem Input
50
35
ns
TRSI
Delay To Reset Interrupt From IOR#
50
35
ns
TSSI
Delay From Stop To Set Interrupt
1
Bclk
TRRI
Delay From IOR# To Reset Interrupt
45
40
ns
TSI
Delay From Stop To Interrupt
45
40
ns
TWRI
Delay From IOW# To Reset Interrupt
45
40
ns
TRST
Reset Pulse
40
ns
Bclk
Baud Clock
16X or 8X of data rate
Hz
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