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參數(shù)資料
| 型號： | STK17TA8-RF45I |
| 元件分類： | 時鐘/數(shù)據(jù)恢復(fù)及定時提取 |
| 英文描述： | PROGRAMMABLE TIMER, PDSO48 |
| 封裝： | 0.300 INCH, ROHS COMPLIANT, PLASTIC, SSOP-48 |
| 文件頁數(shù)： | 1/29頁 |
| 文件大?。?/td> | 646K |
| 代理商： | STK17TA8-RF45I |
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STK17TA8
1
This product conforms to specifications per the
terms of Simtek standard warranty. The product
has completed Simtek internal qualification testing
and has reached production status.
Jan, 2008
Document Control #ML0025 Rev 2.0
FEATURES
nvSRAM Combined With Integrated Real-Time
Clock Functions (RTC, Watchdog Timer, Clock
Alarm, Power Monitor)
Capacitor or Battery Backup for RTC
25, 45 ns Read Access & R/W Cycle Time
Unlimited Read/Write Endurance
Automatic Non-volatile STORE on Power Loss
Non-Volatile STORE Under Hardware or Software
Control
Automatic RECALL to SRAM on Power Up
Unlimited RECALL Cycles
200K STORE Cycles
20-Year Non-volatile Data Retention
Single 3 V +20%, -10% Power Supply
Commercial and Industrial Temperatures
48-pin 300-mil SSOP Package (RoHS-Compliant)
DESCRIPTION
The Simtek STK17TA8 combines a 1Mb non-volatile
static RAM (nvSRAM) with a full-featured real-time
clock in a reliable, monolithic integrated circuit.
The 1Mbit nvSRAM is a fast static RAM with a non-
volatile Quantum Trap storage element included
with each memory cell.
The SRAM provides the fast access & cycle times,
ease of use and unlimited read & write endurance of
a normal SRAM. Data transfers automatically to the
non-volatile storage cells when power loss is
detected (the STORE operation). On power up, data
is automatically restored to the SRAM (the RECALL
operation). Both STORE and RECALL operations
are also available under software control.
The real time clock function provides an accurate
clock with leap year tracking and a programmable,
high accuracy oscillator. The Alarm function is pro-
grammable for one-time alarms or periodic minutes,
hours, or days alarms. There is also a programma-
ble watchdog timer for processor control.
BLOCK DIAGRAM
128Kx8 Autostore nvSRAM With Real-Time Clock
RO
W
D
E
C
O
D
E
R
INPU
T
BU
FFER
S
COLUMN DEC
G
E
W
COLUMN I/O
POWER
CONTROL
HSB
STORE/
RECALL
CONTROL
SOFTWARE
DETECT
A15 – A0
A5
A6
A7
A8
A9
A12
A13
A14
A15
A16
Quantum Trap
1024 X 1024
STATIC RAM
ARRAY
1024 X 1024
STORE
RECALL
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
A0 A1 A2 A3 A4 A10 A11
VCC
VCAP
RTC
MUX
A16 – A0
X1
X2
INT
VRTCbat
VRTCcap
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| STK17TA8-RF45TR | 1 TIMER(S), PROGRAMMABLE TIMER, PDSO48 |
| STK17TA8-RF35 | REAL TIME CLOCK, PDSO48 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STK17TA8-RF45ITR | 功能描述:NVRAM 128Kbx8+RTC 2.7-3.6V RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度:8 bit 存儲容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube |
| STK17TA8-RF45TR | 功能描述:NVRAM 128Kbx8+RTC 2.7-3.6V RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度:8 bit 存儲容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube |
| STK190-110 | 制造商:Panasonic Industrial Company 功能描述:IC |
| STK2 | 制造商:Eaton Corporation 功能描述:Seltronic And Series C 310 Tes 制造商:Eaton Corporation 功能描述:Seltronic And Series C 310 Test Kit |
| ST-K2 | 制造商:SYNERGY 制造商全稱:SYNERGY MICROWAVE CORPORATION 功能描述:TRRANSSFFORRMEERRS |
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