参数资料
型号: DS1746WP-120
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: Timer or RTC
英文描述: 0 TIMER(S), REAL TIME CLOCK, DMA34
封装: POWERCAP, MODULE-34
文件页数: 19/19页
文件大小: 367K
代理商: DS1746WP-120
DS1746/DS1746P Y2K-Compliant, Nonvolatile Timekeeping RAMs
9 of 19
DC ELECTRICAL CHARACTERISTICS
(VCC = 3.3V
±10%, TA = Over the Operating Range.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Active Supply Current
Icc
30
mA
2,3
TTL Standby Current
( CE = VIH)
Icc1
2
mA
2,3
CMOS Standby Current
( CE
VCC-0.2V)
Icc2
2
mA
2,3
Input Leakage Current (any input)
IIL
-1
+1
mA
Output Leakage Current
(any output)
IOL
-1
+1
mA
Output Logic 1 Voltage
(IOUT = -1.0 mA)
VOH
2.4
1
Output Logic 0 Voltage
(IOUT = +2.1 mA)
VOL
0.4
1
Write Protection Voltage
VPF
2.80
2.97
V
1
Battery Switchover Voltage
VSO
VBAT
or
VPF
V
1, 4
AC CHARACTERISTICS—READ CYCLE (5V)
(VCC = 5.0V
±10%, TA = Over the Operating Range.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Read Cycle Time
tRC
70
ns
Address Access Time
tAA
70
ns
CE to DQ Low-Z
tCEL
5
ns
CE Access Time
tCEA
70
ns
CE Data Off Time
tCEZ
25
ns
OE to DQ Low-Z
tOEL
5
ns
OE Access Time
tOEA
35
ns
OE Data Off Time
tOEZ
25
ns
Output Hold from Address
tOH
5
ns
相关PDF资料
PDF描述
DS1746W-120 0 TIMER(S), REAL TIME CLOCK, DIP32
DS1746P-70 0 TIMER(S), REAL TIME CLOCK, DMA34
DS1746 REAL TIME CLOCK, DMA32
DS1746P REAL TIME CLOCK, DMA34
DS1747-70 0 TIMER(S), REAL TIME CLOCK, DMA32
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