CY7C1021DV33-10BVXIT - 1Mbit (64Kx16) 10ns Async SRAM | Infineon
MPN: CY7C1021DV33-10BVXIT ✓ فعالCY7C1021DV33-10BVXIT جائزہ
An asynchronous SRAM (static random-access memory) is a high-speed volatile memory that does not require a clock signal - read and write operations are triggered directly by chip-enable (CE), output-enable (OE), and write-enable (WE) inputs. SRAM sits in the memory hierarchy above DRAM for speed and below cache for cost/density, and the asynchronous (or "async" part forms the typical choice for direct-mapped buffers in microcontroller and DSP systems. The CY7C1021DV33 family adds an automatic power-down feature that drops ICC to a few microamps when deselected, making it well-suited to battery-powered or power-aware industrial systems.
Key features of the CY7C1021DV33-10BVXIT include 10 ns address access time, 10 ns output enable access time, JEDEC-compatible center-power/center-ground pinout, TTL-compatible I/O, and equal read/write cycle times. The 48-VFBGA (6x8) package is only 6x8 mm, giving the densest footprint option in the family alongside the 44-pin 400-mil SOJ and 44-pin TSOP II packages - all sharing the same functional pinout per JEDEC standard.
Typical applications include industrial control buffers, networking line cards, automotive infotainment buffers, point-of-sale terminals, set-top box working memory, and microcontroller/DSP scratch-pad memory. The wide x16 data bus minimizes glue logic when paired with 16-bit microcontrollers such as the 80C186, 68HC16, and DSP families.
When designing with this device, place a 0.1 uF decoupling capacitor on each VCC/ground pair and follow JEDEC standard PCB layout for 48-VFBGA. The automatic power-down feature reduces standby current to 5 mA typical when CE# is high; use this to extend battery life in portable designs.
کے لیے ڈراپ اِن متبادل CY7C1021DV33-10BVXIT — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
CY7C1021DV33-10BVXI
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
CY7C1021DV33-8BVXIT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
CY7C1021DV33-12BVXIT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
CY7C1021DV33-10ZSXIT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
CY7C1021DV33-10BVJIT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
CY7C1021DV33-10BVXIT زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| میموری ٹائپ | Asynchronous SRAM (Static RAM) |
| Memory Organization | 64K x 16 (1 Mbit total) |
| Address Access Time (tAA) | 10 ns |
| Output Enable Access Time (tOE) | 10 ns |
| Supply Voltage (VCC) | 3.0 V to 3.6 V |
| انٹرفیس ٹائپ | Parallel |
| آپریٹنگ درجہ حرارت رینج | -40 C to +85 C (Industrial, "IT" suffix) |
| پیکیج | 48-ball VFBGA (6 x 8 mm) |
| I/O Standard | TTL-compatible |
| Automatic Power-Down | Yes (CE# high) |
| ماؤنٹنگ ٹائپ | Surface Mount (BGA) |
| MSL لیول | 3 (per JEDEC J-STD-020) |
| RoHS اسٹیٹس | Pb-free, RoHS compliant |
| Lead-Free | Yes |
CY7C1021DV33-10BVXIT 48-ball vfbga (6 x 8 mm) پن کنفیگریشن گائیڈ
CY7C1021DV33-10BVXIT (48-ball vfbga (6 x 8 mm) پیکیج) کے لیے پن کنفیگریشن۔ اس ڈیجیٹل IC میں GPIO، کمیونیکیشن انٹرفیس (UART، SPI، I2C) اور پاور پنز شامل ہیں۔ متبادل پن فنکشنز اور کنفیگریشن آپشنز کے لیے مینوفیکچرر کے ڈیٹا شیٹ سے رجوع کریں۔ ایمبیڈڈ سسٹم ڈیزائن اور PCB لے آؤٹ کے لیے ضروری۔
کے لیے تفصیلی پن آؤٹ ڈیٹا دستیاب نہیں CY7C1021DV33-10BVXIT.
رجوع کریں ڈیٹا شیٹ مکمل پن کنفیگریشن کے لیے۔
عام استعمالات
CY7C1021DV33-10BVXIT کے لیے موزوں ہے 6 ایپلیکیشنs: Industrial Control Buffer Memory, Networking Line Card Packet Buffer, Automotive Infotainment Working Memory, Point-of-Sale (POS) Terminal Memory, DSP Scratch-Pad Memory, Set-Top Box Working Memory.
Industrial Control Buffer Memory
The CY7C1021DV33-10BVXIT serves as high-speed working memory in industrial PLC and HMI control systems. Its 10 ns access time keeps pace with 100 MHz 16-bit microcontrollers, while the industrial -40 C to +85 C rating withstands factory floor temperature swings. The 64K x 16 organization maps directly onto 16-bit data buses (80C186, 68HC16), eliminating bus-multiplexing logic. The automatic CE# power-down feature reduces standby current to a few microamps during scan-cycle idle periods, which is significant in 24/7 factory automation where energy budgets are monitored.
تجویز کردہ
Networking Line Card Packet Buffer
In networking line cards and routers, the CY7C1021DV33-10BVXIT functions as a fast packet-buffer or lookup-table SRAM. The 10 ns tAA supports 100 Mbps Fast Ethernet and lower-speed Gigabit MAC interfaces with comfortable timing margin. The 3.3 V supply aligns with standard network-processor I/O rails, eliminating level shifters. The 48-VFBGA package's small 6x8 mm footprint allows dense placement adjacent to PHY/MAC ASICs on multi-layer PCBs. The automatic power-down keeps idle line cards within their thermal envelope.
تجویز کردہ
Automotive Infotainment Working Memory
Automotive infotainment head units and instrument clusters use the CY7C1021DV33-10BVXIT as display-buffer and audio-DSP scratch memory. The 1 Mbit / 64K x 16 capacity holds QVGA framebuffers or audio sample blocks comfortably. The 48-VFBGA package survives under-hood and dashboard thermal cycles when properly PCB-mounted. The TTL-compatible I/O interfaces directly to 3.3 V infotainment SoCs. The "IT" industrial-temperature grade is sufficient for cabin environments; for under-hood ECU use, an automotive-qualified variant is recommended.
تجویز کردہ
Point-of-Sale (POS) Terminal Memory
POS terminals use the CY7C1021DV33-10BVXIT as transaction and display memory. The 10 ns access time handles barcode-scanner input FIFOs, display-refresh buffers, and encryption-key scratchpads without latency. The 3.3 V supply suits battery-powered mobile POS readers, where the automatic CE# power-down extends battery life between transactions. The 48-VFBGA package fits inside slim handheld enclosures where SOJ or TSOP would not. Reliability from the Infineon (formerly Cypress) SRAM line is field-proven across millions of deployed POS units.
تجویز کردہ
DSP Scratch-Pad Memory
Digital signal processors (DSPs) for audio effects, motor control, and telecommunications use the CY7C1021DV33-10BVXIT as external scratch-pad memory. The 10 ns tAA matches DSP core cycle times at 100 MHz instruction rates, allowing zero-wait-state operation for coefficients and sample blocks. The 64K x 16 organization fits 16-bit DSP data widths (TMS320, ADSP-21xx) without bus conversion. The 3.3 V supply is standard for low-power DSP families. The TTL interface simplifies board layout in mixed-signal DSP designs.
تجویز کردہ
Set-Top Box Working Memory
Set-top boxes (STBs) and digital TV receivers use the CY7C1021DV33-10BVXIT as MPEG decoder scratchpad and channel-buffer memory. The 10 ns access time supports real-time video stream parsing without buffer underruns. The 1 Mbit density holds one MPEG-2 frame slice plus PSI tables. The 48-VFBGA package's compact 6x8 mm footprint fits inside slim STB enclosures where board area is at a premium. The 3.3 V supply aligns with mainstream STB SoC rails. The automatic power-down reduces standby power for Energy Star compliance.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا CY7C1021DV33-10BVXIT — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | CY7C1021DV33-10BVXI | CY7C1021DV33-8BVXIT | CY7C1021DV33-12BVXIT | CY7C1021DV33-10BVJIT |
|---|---|---|---|---|---|
| Brand | Infineon | Infineon | Infineon | Infineon | Infineon |
| Package | 48-VFBGA (6x8) | 48-VFBGA (6x8) - same | 48-VFBGA (6x8) - same | 48-VFBGA (6x8) - same | 48-VFBGA (6x8) - same |
| Density | 1 Mbit (64K x 16) | 1 Mbit (64K x 16) | 1 Mbit (64K x 16) | 1 Mbit (64K x 16) | 1 Mbit (64K x 16) |
| Access Time (tAA) | 10 ns | 10 ns | 8 ns (faster) | 12 ns (slower) | 10 ns |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Operating Temperature | -40 C to +85 C (IT) | -40 C to +85 C (I) | -40 C to +85 C (IT) | -40 C to +85 C (IT) | -40 C to +85 C (IT) |
| Packaging | Tape & Reel (T&R) | Tray | Tape & Reel | Tape & Reel | Tape & Reel |
| Automatic Power-Down | Yes | Yes | Yes | Yes | Yes |
اہم امتیازی خصوصیات
- Industrial temperature grade and Tape & Reel packaging (بمقابلہCY7C1021DV33-10BVXI)
- Faster access time than -12 grade for 100 MHz buses (بمقابلہCY7C1021DV33-12BVXIT)
- Slower than -8 grade but sufficient margin for most designs (بمقابلہCY7C1021DV33-8BVXIT)
ڈیزائن نوٹس
The CY7C1021DV33-10BVXIT requires a single 3.3 V supply. Place a 0.1 uF ceramic decoupling capacitor on each VCC ball and a bulk 10 uF tantalum or ceramic capacitor on the supply rail close to the device. The automatic power-down feature reduces standby current to [DATA_NEEDED: typical ISB1 value] when CE# is high; this should be verified against the datasheet for power-budget calculations in battery-backed designs.
The 48-VFBGA (6x8) package requires 4-layer or higher PCB stack-up with microvia or via-in-pad technology for reliable BGA soldering. Follow JEDEC J-STD-020 MSL-3 handling procedures: bake the parts at 125°C for 24 hours if the humidity indicator card shows >10% RH. Use a reflow profile with peak temperature 245°C (Pb-free) and time-above-liquidus of 60-90 seconds per IPC J-STD-020.
Do not confuse the CY7C1021DV33 (3.3 V, this part) with the CY7C1021CV33 (legacy 3.3 V) or CY7C1021 (5 V) versions - voltage and timing differ. The "V33" suffix in the part number denotes 3.3 V operation. Also note that the "BV" package code is 48-VFBGA; "SO" denotes 400-mil SOJ; "ZS" denotes TSOP II. Cross-family substitution requires PCB rework.
تعمیل کی معلومات
Pb-free / RoHS compliant per Infineon product page. Industrial temperature grade only; not AEC-Q100 qualified - this is not an automotive-qualified part. For automotive applications requiring AEC-Q100, consult Infineon automotive-grade SRAM portfolio.
