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MCM63R836FC4.0R Datasheet(PDF) 1 Page - Freescale Semiconductor, Inc |
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MCM63R836FC4.0R Datasheet(HTML) 1 Page - Freescale Semiconductor, Inc |
1 / 21 page MCM63R836 •MCM63R918 1 MOTOROLA FAST SRAM 8M Late Write HSTL The MCM63R836/918 is an 8M–bit synchronous late write fast static RAM designed to provide high performance in secondary cache and ATM switch, Telecom, and other high speed memory applications. The MCM63R918 (organized as 512K words by 18 bits) and the MCM63R836 (organized as 256K words by 36 bits) are fabricated in Motorola’s high performance silicon gate CMOS technology. The differential clock (CK) inputs control the timing of read/write operations of the RAM. At the rising edge of CK; all addresses, write enables, and synchronous selects are registered. An internal buffer and special logic enable the memory to accept write data on the rising edge of CK, a cycle after address and control signals. Read data is also driven on the rising edge of CK. The RAM uses HSTL inputs and outputs. The adjustable input trip–point (Vref) and output voltage (VDDQ) gives the system designer greater flexibility in optimizing system performance. The synchronous write and byte enables allow writing to individual bytes or the entire word. The impedance of the output buffers is programmable, allowing the outputs to match the impedance of the circuit traces which reduces signal reflections. • Byte Write Control • 2.5 V – 5% to 3.3 V + 10% Operation • HSTL — I/O (JEDEC Standard JESD8–6 Class I Compatible) • HSTL — User Selectable Input Trip–Point • HSTL — Compatible Programmable Impedance Output Drivers • Register to Register Synchronous Operation • Boundary Scan (JTAG) IEEE 1149.1 Compatible • Differential Clock Inputs • Optional x18 or x36 Organization • MCM63R836/918–3.0 = 3.0 ns MCM63R836/918–3.3 = 3.3 ns MCM63R836/918–3.7 = 3.7 ns MCM63R836/918–4.0 = 4.0 ns • Sleep Mode Operation (ZZ pin) • 119–Bump, 50 mil (1.27 mm) Pitch, 14 mm x 22 mm Flipped Chip Plastic Ball Grid Array (PBGA) Order this document by MCM63R836/D MOTOROLA SEMICONDUCTOR TECHNICAL DATA MCM63R836 MCM63R918 FC PACKAGE PBGA CASE 999D–01 REV 1 10/12/00 © Motorola, Inc. 2000 Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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