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參數(shù)資料
| 型號(hào)： | M48T59Y-70MH1 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 64 Kbit 8Kb x8 TIMEKEEPER SRAM |
| 中文描述： | 64千位8KB的x8 SRAM的計(jì)時(shí)器 |
| 文件頁數(shù)： | 3/17頁 |
| 文件大?。?/td> | 135K |
| 代理商： | M48T59Y-70MH1 |
AI01030
5V
OUT
CL = 100pF or 5pF
CL includes JIG capacitance
1.9k
DEVICE
UNDER
TEST
1k
Figure 4. AC Testing Load Circuit
Input Rise and Fall Times
≤
5ns
Input Pulse Voltages
0 to 3V
Input and Output Timing Ref. Voltages
1.5V
Note that Output Hi-Z is defined as the point where data is no
longer driven.
Table 4. AC Measurement Conditions
AI01377C
LITHIUM
CELL
OSCILLATOR AND
CLOCK CHAIN
VPFD
FT
VCC
VSS
32,768 Hz
CRYSTAL
VOLTAGE SENSE
AND
SWITCHING
CIRCUITRY
8 x 8 BiPORT
SRAM ARRAY
8184 x 8
SRAM ARRAY
A0-A12
DQ0-DQ7
E1
E2
W
G
POWER
Figure 3. Block Diagram
The M48T58/58Y is a non-volatile pin and function
equivalent to any JEDEC standard 8K x 8 SRAM.
It also easily fits into many ROM, EPROM, and
EEPROM sockets, providing the non-volatility of
PROMs without any requirement for special write
timing or limitations on the number of writes that
can be performed.
The 28 pin 600mil DIP CAPHAT
houses the
M48T58/58Y silicon with a quartz crystal and a long
life lithium button cell in a single package.
The 28 pin 330mil SOIC provides sockets with gold
plated contacts at both ends for direct connection
to a separate SNAPHAT housing containing the
battery and crystal. The unique design allows the
SNAPHAT battery package to be mounted on top
of the SOIC package after the completion of the
surface mount process. Insertion of the SNAPHAT
housing after reflow prevents potential battery and
crystal damage due to the high temperatures re-
quired for device surface-mounting. The SNAPHAT
housing is keyed to prevent reverse insertion.
The SOIC and battery/crystal packages are
shipped separately in plastic anti-static tubes or in
Tape & Reel form.
DESCRIPTION
(cont’d)
3/17
M48T58, M48T58Y
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M48T59Y-70MH1E | 功能描述:實(shí)時(shí)時(shí)鐘 64K (8Kx8) 70ns RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| M48T59Y-70MH1F | 功能描述:實(shí)時(shí)時(shí)鐘 64K (8Kx8) 70ns RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| M48T59Y-70MH1TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:64 Kbit 8Kb x8 TIMEKEEPER SRAM |
| M48T59Y-70MH6 | 功能描述:實(shí)時(shí)時(shí)鐘 R 511-M48T59Y-70MH6E RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| M48T59Y-70MH6E | 功能描述:實(shí)時(shí)時(shí)鐘 64K (8Kx8) 70ns RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
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