Description:The 70261 is a high-speed 16K x 16 Dual-Port Static RAM designed to be used as a stand-alone Dual-Port RAM or as a combination MASTER/SLAVE Dual-Port RAM for 32-bit-or-more word systems. An automatic power down feature controlled by CE permits the on-chip circuitry of each port to enter a very low standby power mode.
INTERRUPT FLAG; SEMAPHORE; AUTOMATIC POWER-DOWN; LOW POWER STANDBY MODE
JESD-30 Code:
S-PQFP-G100
JESD-609 Code:
e3
Memory Density:
262144 bit
Memory IC Type:
MULTI-PORT SRAM
Memory Width:
16
Moisture Sensitivity Level:
3
Number of Functions:
1
Number of Terminals:
100
Number of Words:
16384 words
Number of Words Code:
16000
Operating Mode:
ASYNCHRONOUS
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Organization:
16KX16
Package Body Material:
PLASTIC/EPOXY
Package Code:
QFP
Package Shape:
SQUARE
Package Style:
FLATPACK
Parallel/Serial:
PARALLEL
Peak Reflow Temperature (Cel):
260
Supply Voltage-Max (Vsup):
5.5 V
Supply Voltage-Min (Vsup):
4.5 V
Supply Voltage-Nom (Vsup):
5 V
Surface Mount:
YES
Technology:
CMOS
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
GULL WING
Terminal Position:
QUAD
70261L20PFGI Frequently Asked Questions (FAQs)
For optimal performance, it is recommended to follow the PCB layout guidelines provided in the datasheet, ensuring a solid ground plane, and using thermal vias to dissipate heat. Additionally, consider using a heat sink or thermal interface material to reduce thermal resistance.
To ensure EMC and reduce EMI, follow the recommended PCB layout, use shielding, and implement filtering and decoupling techniques. Also, consider using a common-mode choke and ferrite beads to reduce emissions.
The recommended power-up sequence is to apply the power supply voltage (VCC) first, followed by the input voltage (VIN). For power-down, reverse the sequence. Ensure that the input voltage is removed before the power supply voltage to prevent damage.
Implement an overvoltage protection circuit to prevent damage from voltage spikes. For UVLO, use a voltage monitor or supervisor IC to detect undervoltage conditions and reset the device or trigger a power-down sequence.
Ensure good airflow, use a heat sink or thermal interface material, and follow the recommended PCB layout to minimize thermal resistance. Monitor the device temperature and implement thermal shutdown or warning mechanisms to prevent overheating.
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70261L20PFGI Overview
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