O
參數(shù)資料
型號(hào): XR16C864IQ-F
廠商: Exar Corporation
文件頁(yè)數(shù): 38/51頁(yè)
文件大小: 0K
描述: IC UART FIFO 128B QUAD 100QFP
標(biāo)準(zhǔn)包裝: 66
特點(diǎn): *
通道數(shù): 4,QUART
FIFO's: 128 字節(jié)
規(guī)程: RS232,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:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 100-BQFP
供應(yīng)商設(shè)備封裝: 100-QFP(14x20)
包裝: 托盤
其它名稱: 1016-1277
XR16C864
43
REV. 2.2.0
2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO
AC ELECTRICAL CHARACTERISTICS
TA=0
O
TO
70
OC (-40O TO +85OC FOR INDUSTRIAL GRADE PACKAGE), VCC IS 2.97 TO 5.5V
SYMBOL
PARAMETER
LIMITS
3.3
MIN
MAX
LIMITS
5.0
MIN
MAX
UNIT
CONDITIONS
CLK
Clock Pulse Duration
20
15
ns
OSC
Oscillator Frequency
8
24
MHz
OSC
External Clock Frequency
24
32
MHz
TAS
Address Setup Time (16 Mode)
10
5
ns
TAH
Address Hold Time (16 Mode)
10
5
ns
TCS
Chip Select Width (16 Mode)
70
50
ns
TRD
IOR# Strobe Width (16 Mode)
70
50
ns
TDY
Read Cycle Delay (16 Mode)
70
50
ns
TRDV
Data Access Time (16 Mode)
70
50
ns
TDD
Data Disable Time (16 Mode)
0
25
0
15
ns
TWR
IOW# Strobe Width (16 Mode)
70
50
ns
TDY
Write Cycle Delay (16 Mode)
70
50
ns
TDS
Data Setup Time (16 Mode)
10
5
ns
TDH
Data Hold Time (16 Mode)
10
5
ns
TADS
Address Setup (68 Mode)
10
ns
TADH
Address Hold (68 Mode)
15
ns
TRWS
R/W# Setup to CS# (68 Mode)
10
5
ns
TRDA
Read Data Access (68 mode)
70
50
ns
TRDH
Read Data Hold (68 mode)
15
ns
TWDS
Write Data Setup (68 mode)
20
15
ns
TWDH
Write Data Hold (68 Mode)
10
ns
TRWH
CS# De-asserted to R/W# De-asserted (68 Mode)
10
ns
TCSL
CS# Strobe Width (68 Mode)
70
50
ns
TCSD
CS# Cycle Delay (68 Mode)
70
ns
TWDO
Delay From IOW# To Output
50
40
ns
100 pF load
TMOD
Delay To Set Interrupt From MODEM Input
40
35
ns
100 pF load
TRSI
Delay To Reset Interrupt From IOR#
40
35
ns
100 pF load
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