CY62146G MoBL® Automotive
4-Mbit (256K words × 16 bit) Static RAM
with Error-Correcting Code (ECC)
4-Mbit (256K words × 16 bit) Static RAM with Error-Correcting Code (ECC)
■ AEC-Q100 qualified
■ High speed: 45 ns
■ Temperature Range
❐ Automotive-A: -40 C to +85 C
■ Ultra-low standby power
❐ Typical standby current: 3.5 A
■ Embedded ECC for single-bit error correction
■ Voltage range: 2.2 V to 3.6 V, 4.5 V to 5.5 V
■ 1.0-V data retention
■ TTL-compatible inputs and outputs
■ Pb-free 44-pin TSOP II package
CY62146G is high-performance CMOS low-power (MoBL)
SRAM devices with embedded ECC.
Device is accessed by asserting the chip enable (CE) input LOW.
Data writes are performed by asserting the Write Enable (WE)
input LOW, while providing the data on I/O0 through I/O15 and
address on A0 through A17 pins. The Byte High Enable (BHE)
and Byte Low Enable (BLE) inputs control write operations to the
upper and lower bytes of the specified memory location. BHE
controls I/O8 through I/O15 and BLE controls I/O0 through I/O7.
Data reads are performed by asserting the Output Enable (OE)
input and providing the required address on the address lines.
Read data is accessible on the I/O lines (I/O0 through I/O15).
Byte accesses can be performed by asserting the required byte
enable signal (BHE or BLE) to read either the upper byte or the
lower byte of data from the specified address location.
All I/Os (I/O0 through I/O15) are placed in a HI-Z state when the
device is deselected (CE HIGH), or control signals are
de-asserted (OE, BLE, BHE).
The logic block diagram is on page 2.
Features and Options
(see Pin Configuration –
CY62146G on page 4)
VCC Range (V)
Operating ICC (mA)
f = fmax
Standby, ISB2 (µA)
Single Chip Enable
Automotive-A 2.2 V–3.6 V
4.5 V–5.5 V
1. This device does not support automatic write-back on error detection.
Typical values are included for reference only
(for VCC range of 4.5 V–5.5 V), TA = 25 °C.
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 002-03594 Rev. *C
• San Jose, CA 95134-1709 • 408-943-2600
Revised November 24, 2017