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MCM63R918FC3.7 bảng dữ liệu(PDF) 1 Page - Freescale Semiconductor, Inc

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Giải thích chi tiết về linh kiện  MCM63R836
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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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Motorola, Inc
MCM63R836A MOTOROLA-MCM63R836A Datasheet
385Kb / 21P
   8M Late Write HSTL
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