(VCC " />
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉(h脿o)锛� DS1744P-70IND
寤犲晢锛� Maxim Integrated Products
鏂囦欢闋�(y猫)鏁�(sh霉)锛� 2/16闋�(y猫)
鏂囦欢澶у皬锛� 0K
鎻忚堪锛� IC RTC RAM Y2K 5V 70NS 34-PCM
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 40
椤炲瀷锛� 鏅�(sh铆)閻�/鏃ユ
鐗归粸(di菐n)锛� 闁忓勾锛孨VSRAM锛孻2K
瀛樺劜(ch菙)瀹归噺锛� 32KB
鏅�(sh铆)闁撴牸寮忥細 HH:MM:SS锛�24 灏忔檪(sh铆)锛�
鏁�(sh霉)鎿�(j霉)鏍煎紡锛� YY-MM-DD-dd
鎺ュ彛锛� 骞惰伅(li谩n)
闆绘簮闆诲锛� 4.5 V ~ 5.5 V
闆诲 - 闆绘簮锛岄浕姹狅細 3V
宸ヤ綔婧害锛� -40°C ~ 85°C
瀹夎椤炲瀷锛� 琛ㄩ潰璨艰
灏佽/澶栨锛� 34-PowerCap? 妯″
渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 34-PowerCap 妯″
鍖呰锛� 绠′欢
DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs
10 of 16
AC CHARACTERISTICS鈥擱EAD CYCLE (3.3V)
(VCC = 3.3V 卤10%, TA = Over the operating range.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Read Cycle Time
tRC
120
ns
Address Access Time
tAA
120
ns
CE to DQ Low-Z
tCEL
5
ns
CE Access Time
tCEA
120
ns
CE Data Off Time
tCEZ
40
ns
OE to DQ Low-Z
tOEL
5
ns
OE Access Time
tOEA
100
ns
OE Data Off Time
tOEZ
35
ns
Output Hold from Address
tOH
5
ns
READ CYCLE TIMING DIAGRAM
鐩搁棞(gu膩n)PDF璩囨枡
PDF鎻忚堪
DS1553-70 IC RTC RAM Y2K 5V 70NS 28-EDIP
MCP4331T-103E/ST IC DGTL POT QUAD 10K 20TSSOP
MS27505E21F35PC CONN RCPT 79POS BOX MNT W/PINS
MCP41050T-I/SN IC POT DIGITAL 50K 1CH SPI 8SOIC
DS1743P-70 IC RTC RAM Y2K 5V 70NS 34-PCM
鐩搁棞(gu膩n)浠g悊鍟�/鎶€琛�(sh霉)鍙冩暩(sh霉)
鍙冩暩(sh霉)鎻忚堪
DS1744P-70IND+ 鍔熻兘鎻忚堪:瀵�(sh铆)鏅�(sh铆)鏅�(sh铆)閻� Timekeeping NV RAM RoHS:鍚� 鍒堕€犲晢:Microchip Technology 鍔熻兘:Clock, Calendar. Alarm RTC 绺界窔鎺ュ彛:I2C 鏃ユ湡鏍煎紡:DW:DM:M:Y 鏅�(sh铆)闁撴牸寮�:HH:MM:SS RTC 瀛樺劜(ch菙)瀹归噺:64 B 闆绘簮闆诲-鏈€澶�:5.5 V 闆绘簮闆诲-鏈€灏�:1.8 V 鏈€澶у伐浣滄韩搴�:+ 85 C 鏈€灏忓伐浣滄韩搴�: 瀹夎棰�(f膿ng)鏍�:Through Hole 灏佽 / 绠遍珨:PDIP-8 灏佽:Tube
DS1744W120 鍒堕€犲晢:Maxim Integrated Products 鍔熻兘鎻忚堪:
DS1744W-120 鍔熻兘鎻忚堪:瀵�(sh铆)鏅�(sh铆)鏅�(sh铆)閻� RoHS:鍚� 鍒堕€犲晢:Microchip Technology 鍔熻兘:Clock, Calendar. Alarm RTC 绺界窔鎺ュ彛:I2C 鏃ユ湡鏍煎紡:DW:DM:M:Y 鏅�(sh铆)闁撴牸寮�:HH:MM:SS RTC 瀛樺劜(ch菙)瀹归噺:64 B 闆绘簮闆诲-鏈€澶�:5.5 V 闆绘簮闆诲-鏈€灏�:1.8 V 鏈€澶у伐浣滄韩搴�:+ 85 C 鏈€灏忓伐浣滄韩搴�: 瀹夎棰�(f膿ng)鏍�:Through Hole 灏佽 / 绠遍珨:PDIP-8 灏佽:Tube
DS1744W-120+ 鍔熻兘鎻忚堪:瀵�(sh铆)鏅�(sh铆)鏅�(sh铆)閻� Timekeeping NV RAM RoHS:鍚� 鍒堕€犲晢:Microchip Technology 鍔熻兘:Clock, Calendar. Alarm RTC 绺界窔鎺ュ彛:I2C 鏃ユ湡鏍煎紡:DW:DM:M:Y 鏅�(sh铆)闁撴牸寮�:HH:MM:SS RTC 瀛樺劜(ch菙)瀹归噺:64 B 闆绘簮闆诲-鏈€澶�:5.5 V 闆绘簮闆诲-鏈€灏�:1.8 V 鏈€澶у伐浣滄韩搴�:+ 85 C 鏈€灏忓伐浣滄韩搴�: 瀹夎棰�(f膿ng)鏍�:Through Hole 灏佽 / 绠遍珨:PDIP-8 灏佽:Tube
DS1744W-120IND 鍔熻兘鎻忚堪:瀵�(sh铆)鏅�(sh铆)鏅�(sh铆)閻� RoHS:鍚� 鍒堕€犲晢:Microchip Technology 鍔熻兘:Clock, Calendar. Alarm RTC 绺界窔鎺ュ彛:I2C 鏃ユ湡鏍煎紡:DW:DM:M:Y 鏅�(sh铆)闁撴牸寮�:HH:MM:SS RTC 瀛樺劜(ch菙)瀹归噺:64 B 闆绘簮闆诲-鏈€澶�:5.5 V 闆绘簮闆诲-鏈€灏�:1.8 V 鏈€澶у伐浣滄韩搴�:+ 85 C 鏈€灏忓伐浣滄韩搴�: 瀹夎棰�(f膿ng)鏍�:Through Hole 灏佽 / 绠遍珨:PDIP-8 灏佽:Tube