Product Overview
256-Mbit SDR SDRAM, x16 Bus, 133 MHz CL3, 3.3 V, 54-Pin TSOP II
Condition
Unused new old stock (NOS). Markings legible: winbond W9825G6JH-75. Sold each.
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Product Overview
Winbond's W9825G6JH-75 is a 256-Mbit single data rate SDRAM with a 16-bit data bus, in the 133 MHz, commercial-temperature grade, housed in a 54-pin TSOP II.
Key Features
- 256 Mbit organized 4M words x 4 banks x 16 bits
- -75 grade: 133 MHz clock at CAS latency 3
- 3.3 V +/- 0.3 V supply
- CAS latency 2 and 3; burst length 1, 2, 4, 8 or full page
- 8K refresh cycles every 64 ms; 2 mA self-refresh current
- 54-pin TSOP II, lead-free
- Commercial range 0 to 70 C
Frequently Asked Questions
Is this DDR memory?
No. It is single data rate SDRAM, 16 bits wide, clocked up to 133 MHz at CAS latency 3.
How much is 256Mb in bytes?
256 megabits is 32 megabytes. The lowercase b is bits.
How many chips does a 32-bit memory bus take?
Two. Each chip is 16 bits wide.
Four banks, sixteen data lines and a 3.3 V rail, all in one 54-pin TSOP II. If a board was laid out for this Winbond part, its missing 32 megabytes can go back on at the next rework.
