N01S818HA: Serial SRAM, Ultra-Low-Power, 1 Mb, 1.7 - 2.2 V
The ON Semiconductor serial SRAM family includes several
integrated memory devices including this 1Mb serially accessed Static
Random Access Memory, internally organized as 128 K words by
8 bi t s . The devices are designed and fabricated using
ON Semiconductor’s advanced CMOS technology to provide both
high-speed performance and low power. The devices operate with a
single chip select (CS) input and use a simple Serial Peripheral
Interface (SPI) protocol. In SPI mode, a single data-in (SI) and
data-out (SO) line is used along with the clock (SCK) to access data
within the device. In DUAL mode, two multiplexed data-in/data-out
(SIO0-SIO1) lines are used and in QUAD mode, four multiplexed
data-in/data-out (SIO0-SIO3) lines are used with the clock to access
the memory.
The devices can operate over a wide temperature range of −40°C to
+85°C and are available in a 8-lead TSSOP package.
Features- Power Supply Range: 1.7 to 2.2 V
- Very Low Typical Standby Current: <1 µA
- Very Low Operating Current < 10 mA
- Simple Serial Interface: - Single-bit SPI Access - DUAL-bit and QUAD-bit SPI-like Access
- Flexible Operating Modes
- Word Mode
- Page Mode
- Burst Mode (Full Array)
- High Frequency Read and Write Operation- Clock Frequency 20 MHz
- Built-in Write Protection (CS High)
- High Reliability
- Unlimited Write Cycles
- These Devices are Pb−Free and are RoHS Compliant
- Green TSSOP
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End Products- Patient Monitor
- Smart Meter
- Cardiac Monitoring Device
- Event Recorder
- Alarm System
- MP3 Interface for Automobiles
- Medical Monitoring Device
- Game Controller
- IP Camera Buffer
- Battery Charger
- Laser Receiver System
- GPS Offender Tracking
- Programmable Logic Controller
- IP Radio
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Data Sheets (1)
Package Drawings (2)
Order Information
| Product | Status | Compliance | Package | MSL* | Container | Budgetary Price/Unit |
|---|
| N01S818HAT22I | Active | Pb-free
Halide free | TSSOP-8 | 948BJ | 3 | Tube | 100 | $1.85 |
| N01S818HAT22IT | Active | Pb-free
Halide free | TSSOP-8 | 948BJ | 3 | Tape and Reel | 3000 | $1.85 |
Specifications
| Product | Type | Density | Organization (bits) | fcycle Max (MHz) | VCC Min (V) | VCC Max (V) | Istandby Typ (µA) |
|---|
| N01S818HAT22I | Serial | 1 Mb | 128 x 8 | 20 | 1.7 | 2.2 | 1 |
| N01S818HAT22IT | Serial | 1 Mb | 128 x 8 | 20 | 1.7 | 2.2 | 1 |
