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參數(shù)資料
型號(hào): BU21023MUV-E2
廠商: Rohm Semiconductor
文件頁(yè)數(shù): 10/22頁(yè)
文件大小: 0K
描述: IC CTLR TOUCH PANEL 28VQFN
特色產(chǎn)品: Resistive Touchscreen Controller Ics
標(biāo)準(zhǔn)包裝: 1
類(lèi)型: 電阻
觸摸面板接口: 4,2 線
輸入數(shù)/鍵: 1 TSC
分辨率(位): 8 b
評(píng)估套件: *
數(shù)據(jù)接口: I²C,串行,SPI?
電源電壓: 1.8V,3V
電流 - 電源: 4mA
工作溫度: -20°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 28-VFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 28-QFN
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: BU21023MUV-E2DKR
18
COMMERCIALTEMPERATURERANGE
IDT72V70810 3.3V TIME SLOT INTERCHANGE
DIGITAL SWITCH 1,024 x 1,024
tALW
ADDRESS
DATA
tADS
tADH
ALE
5710 drw12
tRW
tWW
tCSRW
tALRD
tCSR
tCSW
tDHW
tDHR
tAKH
tDDR
tDSW
tSWD
tALWR
tAKD
AD0-AD7
D8-D15
CS
RD
WR
DTA
Figure 12. Multiplexed Bus Timing (Intel Mode)
AC ELECTRICAL CHARACTERISTICS - MULTIPLEXED BUS TIMING (INTEL)
NOTE:
1. High Impedance is measured by pulling to the appropriate rail with R
L, with timing corrected to cancel time taken to discharge CL.
Symbol
Parameter
Min.
Typ.
Max.
Units
Test Conditions
tALW
ALE Pulse Width
20
ns
tADS
Address Setup from ALE falling
3
ns
tADH
Address Hold from ALE falling
3
ns
tALRD
RD Active after ALE falling
3
ns
tDDR
Data Setup from
DTA LOW on Read
5
ns
CL = 150pF
tCSRW
CS Hold after RD/WR
5ns
tRW
RD Pulse Width (Fast Read)
45
ns
tCSR
CS Setup from RD
0ns
tDHR(1)
Data Hold after
RD
10
20
ns
CL = 150pF, RL = 1K
tWW
WR Pulse Width (Fast Write)
45
ns
tALWR
WR Delay after ALE falling
3
ns
tCSW
CS Setup from WR
0ns
tDSW
Data Setup from
WR (FastWrite)
20
ns
tSWD
Valid Data Delay on Write (Slow Write)
122
ns
tDHW
Data Hold after
WR Inactive
5
ns
tAKD
Acknowledgment Delay:
Reading/WritingRegisters
43/43
ns
CL = 150pF
Reading/Writing Memory
220/210
ns
CL = 150pF
tAKH(1)
Acknowledgment Hold Time
22
ns
CL = 150pF, RL = 1K
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