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参数资料
| 型号： | M48T35-70PC6 |
| 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, PDIP28 |
| 封装： | 0.600 INCH, CAPHAT, PLASTIC, DIP-28 |
| 文件页数： | 1/18页 |
| 文件大小： | 140K |
| 代理商： | M48T35-70PC6 |
1/18
November 1999
M48T35
M48T35Y
256 Kbit (32Kb x8) TIMEKEEPER SRAM
s
INTEGRATED ULTRA LOW POWER SRAM,
REAL TIME CLOCK, POWER-FAIL CONTROL
CIRCUIT and BATTERY
s
BYTEWIDE RAM-LIKE CLOCK ACCESS
s
BCD CODED YEAR, MONTH, DAY, DATE,
HOURS, MINUTES and SECONDS
s
FREQUENCY TEST OUTPUT for REAL TIME
CLOCK
s
AUTOMATIC POWER-FAIL CHIP DESELECT
and WRITE PROTECTION
s
WRITE PROTECT VOLTAGES
(VPFD = Power-fail Deselect Voltage):
– M48T35: 4.5V
≤ VPFD ≤ 4.75V
– M48T35Y: 4.2V
≤ VPFD ≤ 4.5V
s
SELF-CONTAINED BATTERY and CRYSTAL
in the CAPHAT DIP PACKAGE
s
SOIC PACKAGE PROVIDES DIRECT
CONNECTION for a SNAPHAT HOUSING
CONTAINING the BATTERY and CRYSTAL
s
SNAPHAT HOUSING (BATTERY and
CRYSTAL) is REPLACEABLE
s
PIN and FUNCTION COMPATIBLE with
JEDEC STANDARD 32Kb x8 SRAMs
Figure 1. Logic Diagram
AI01620B
15
A0-A14
W
DQ0-DQ7
VCC
M48T35
M48T35Y
G
VSS
8
E
Table 1. Signal Names
A0-A14
Address Inputs
DQ0-DQ7
Data Inputs / Outputs
E
Chip Enable
G
Output Enable
W
Write Enable
VCC
Supply Voltage
VSS
Ground
28
1
28
1
SOH28 (MH)
SNAPHAT (SH)
Battery
PCDIP28 (PC)
Battery CAPHAT
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M48T35-70PC6E | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5V, 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM |
| M48T35-70PC6F | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5V, 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM |
| M48T35-70PC6TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:256 Kbit 32Kb x8 TIMEKEEPER SRAM |
| M48T35-70PM1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5V, 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM |
| M48T35-70PM1E | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5V, 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM |
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