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参数资料
| 型号： | M48T251Y-70PM1 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDIP32 |
| 封装： | PLASTIC, MODULE, DIP-32 |
| 文件页数： | 7/24页 |
| 文件大小： | 366K |
| 代理商： | M48T251Y-70PM1 |
15/24
M48T251Y, M48T251V
Table 6. Phantom Clock AC Characteristics (M48T251Y)
Note: 1. Valid for Ambient Operating Temperature: TA = 0 to 70°C; VCC = 4.5 to 5.5V or 3.0 to 3.6V (except where noted).
2. These parameters are sampled with a 5 pF load and are not 100% tested.
3. tWP is specified as the logical AND of CE and WE. tWP is measured from the latter of CE or WE going low to the earlier of CE or
WE going high.
4. tWR is a function of the latter occurring edge of WE or CE.
5. tDH and tDS are measured from the earlier of CE or WE going high.
Symbol
Parameter(1)
Min
Typ
Max
Unit
tAVAV
tRC
READ Cycle Time
65
ns
tELQV
tCO
CE Access Time
55
ns
tGLQV
tOE
OE Access Time
55
ns
tELQX
tCOE
CE to Output Low Z
5
ns
tGLQX
tOEE
OE to Output Low Z
5
ns
tEHQZ
tOD
(2)
CE to Output High Z
25
ns
tGHQZ
tODO
(2)
OE to Output High Z
25
ns
tRR
READ Recovery
10
ns
tAVAV
tWC
WRITE Cycle Time
65
ns
tWLWH
tWP
(3)
WRITE Pulse Width
55
ns
tEHAX
tWR
(4)
WRITE Recovery
10
ns
tDVEH
tDS
(5)
Data Setup Time
30
ns
tWHDX
tDH1
(5)
Data Hold Time from WE
0ns
tEHDX
tDH2
(5)
Data Hold Time from CE
0ns
tELEH
tCW
CE Pulse Width
55
ns
tRST
RST Pulse Width
65
ns
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M48T251Y-70PM1TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T251Y-85PM1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T251Y-85PM1TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T251YPM | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM |
| M48T254V-10ZA1 | 功能描述:实时时钟 16M (2Mx8) 100ns RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
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