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参数资料
| 型号： | M48T559YSH |
| 厂商： | 意法半导体 |
| 英文描述： | Hook-Up Wire; Conductor Size AWG:24; No. Strands x Strand Size:Solid; Jacket Color:Yellow; Approval Bodies:UL, CSA; Approval Categories:UL AWM Style 1061; CSA AWM; Conductor Material:Copper; Jacket Material:Polyvinylchloride (PVC) RoHS Compliant: Yes |
| 中文描述： | 64千位8KB的x8 SRAM的计时与地址/数据复用 |
| 文件页数： | 1/18页 |
| 文件大小： | 147K |
| 代理商： | M48T559YSH |
1/18
February 2000
M48T559Y
64 Kbit (8Kb x8) TIMEKEEPER
SRAM
with ADDRESS/DATA MULTIPLEXED
I
SOFTWARE and HARDWARE RESET for
WATCHDOG TIMER
I
REGISTER COMPATIBLE with M48T59
TIMEKEEPER SRAM
I
ADDRESS/DATA MULTIPLEXED I/O PINS
I
WATCHDOG TIMER - MONITORS OUT of
CONTROL PROCESSOR or HUNG BUS
I
ALARM with WAKE-UP in BATTERY MODE
I
INTEGRATED ULTRA LOW POWER SRAM,
REAL TIME CLOCK, POWER-FAIL CONTROL
CIRCUIT and BATTERY
I
FREQUENCY TEST OUTPUT for REAL TIME
CLOCK
I
AUTOMATIC POWER-FAIL CHIP DESELECT
and WRITE PROTECTION
I
WRITE PROTECT VOLTAGE
(V
PFD
= Power-fail Deselect Voltage):
– M48T559Y: 4.2V
≤
V
PFD
≤
4.5V
I
PACKAGING INCLUDES a 28-LEAD SOIC
and SNAPHAT
TOP
(to be Ordered Separately)
I
SOIC PACKAGE PROVIDES DIRECT
CONNECTION for a SNAPHAT TOP
CONTAINS the BATTERY and CRYSTAL
I
MICROPROCESSOR POWER-ON RESET
(Valid even during battery back-up mode)
I
PROGRAMMABLE ALARM OUTPUT ACTIVE
in the BATTERY BACK-UP MODE
DESCRIPTION
The M48T559Y TIMEKEEPER
RAM is an 8K x 8
non-volatile static RAM and real time clock. The
monolithic chip is available in the SNAPHAT pack-
age to provide a highly integrated battery backed-
up memory and real time clock solution.
The 28 pin 330mil SOIC provides sockets with
gold plated contacts at both ends for direct con-
nection to a separate SNAPHAT housing contain-
ing 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.
Figure 1. Logic Diagram
AI01674B
8
AD0-AD7
W
VCC
M48T559Y
RSTIN2
RSTIN1
VSS
R
E
AS1
AS0
WDI
RST
IRQ/FT
28
1
SOH28 (MH)
SNAPHAT (SH)
Battery/Crystal
相关PDF资料 |
PDF描述 |
|---|---|
| M48T559 | 64 Kbit 8Kb x8 TIMEKEEPER SRAM with ADDRESS/DATA MULTIPLEXED |
| M48T559YMH1 | MOD. CONN, M,RJ-11, 6WIRE |
| M48T559YMH1TR | 6-WIRE COUPLER STRAIGHT-PIN |
| M48T559YMH | 64 Kbit 8Kb x8 TIMEKEEPER SRAM with ADDRESS/DATA MULTIPLEXED |
| M48T59-70MH1 | 64 Kbit 8Kb x8 TIMEKEEPER SRAM |
相关代理商/技术参数 |
参数描述 |
|---|---|
| M48T58 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0V, 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM |
| M48T58_07 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0V, 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM |
| M48T58_10 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 V, 64 Kbit (8 Kb x 8) TIMEKEEPER? SRAM |
| M48T58_11 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0 V, 64 Kbit (8 Kb x 8) TIMEKEEPER?? SRAM |
| M48T58-70MH1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5.0V, 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM |
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