REV. 4.0.1 2.97V TO 5.5V DUART 21 AC ELECTRICAL CHARACTERISTICS UNLESS OTHERWISE NO" />
參數(shù)資料
型號(hào): ST16C2450IQ48-F
廠商: Exar Corporation
文件頁(yè)數(shù): 14/30頁(yè)
文件大?。?/td> 0K
描述: IC UART FIFO DUAL 48TQFP
標(biāo)準(zhǔn)包裝: 250
特點(diǎn): *
通道數(shù): 2,DUART
FIFO's: 1 字節(jié)
規(guī)程: RS232
電源電壓: 2.97 V ~ 5.5 V
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: 48-TQFP
供應(yīng)商設(shè)備封裝: 48-TQFP(7x7)
包裝: 托盤(pán)
其它名稱(chēng): 1016-1670
ST16C2450IQ48-F-ND
xr
ST16C2450
REV. 4.0.1
2.97V TO 5.5V DUART
21
AC ELECTRICAL CHARACTERISTICS
UNLESS OTHERWISE NOTED: 0O TO 70OC (-40O TO +85OC FOR INDUSTRIAL GRADE PACKAGE), VCC IS 2.97V TO
5.5V, 70 PF LOAD WHERE APPLICABLE
SYMBOL
PARAMETER
LIMITS
3.3
MIN
MAX
LIMITS
5.0
MIN
MAX
UNIT
-
Crystal Frequency
16
24
MHz
CLK
External Clock Low/High Time
25
21
ns
OSC
External Clock Frequency
20
24
MHz
TAS
Address Setup Time
5
0
ns
TAH
Address Hold Time
10
5
ns
TCS
Chip Select Width
66
50
ns
TRD
IOR# Strobe Width
35
25
ns
TDY
Read Cycle Delay
40
30
ns
TRDV
Data Access Time
35
25
ns
TDD
Data Disable Time
0
25
0
15
ns
TWR
IOW# Strobe Width
40
25
ns
TDY
Write Cycle Delay
40
30
ns
TDS
Data Setup Time
20
15
ns
TDH
Data Hold Time
5
ns
TWDO
Delay From IOW# To Output
50
40
ns
TMOD
Delay To Set Interrupt From MODEM Input
40
35
ns
TRSI
Delay To Reset Interrupt From IOR#
40
35
ns
TSSI
Delay From Stop To Set Interrupt
1
Bclk
TINT
Delay From Initial INT Reset To Transmit Start
8
24
8
24
Bclk
TWRI
Delay From IOW# To Reset Interrupt
45
40
ns
TRST
Reset Pulse Width
40
ns
N
Baud Rate Divisor
1
216-1
1
216-1
-
Bclk
Baud Clock
16X of data rate
Hz
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