HYM364020S Datasheet, PDF (2/10 Pages) Siemens Semiconductor Group – 4M x 36-Bit Dynamic RAM Module

HYM 364020S/GS-60
4M × 36-Bit
The HYM 364020S/GS-60 is a 16 MByte DRAM module organized as 4 194 304 words by 36-
Bit in a 72-pin single-in-line package comprising eight HYB 5117400BJ 4M × 4 DRAMs and four
HYB 514100BJ 4M x 1 DRAMS in 300 mil wide SOJ-packages mounted together with twelve 0.2 µF
ceramic decoupling capacitors on a PC board.
The HYM 364020S/GS-60 can also be used as a 8 388 608 words by 18-bits dynamic RAM module
by means of connecting DQ0 and DQ18, DQ1 and DQ19, DQ2 and DQ20, … , DQ17 and DQ35,
respectively.
Each HYB 5117400BJ and HYB 514100BJ is described in the data sheet and is fully electrical
tested and processed according to SIEMENS standard quality procedure prior to module assembly.
After assembly onto the board, a further set of electrical tests is performed.
The speed of the module can be detected by the use of four presence detect pins.
The common I/O feature on the HYM 364020S/GS-60 dictates the use of early write cycles.
Ordering Information
Type
HYM 364020S-60
Ordering Code
Q67100-Q2006
Package
L-SIM-72-12
HYM 364020GS-60
Q67100-Q982 L-SIM-72-12
Description
DRAM Module
(access time 60 ns)
DRAM Module
(access time 60 ns)
Semiconductor Group
2