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**82395SX Smart Cache 12/17/90
***Notes:...
**82396SX Smart Cache 12/17/90...
**82485 Turbo Cache (and 485Turbocache) c90...
**82489DX Advanced Programmable Interrupt Controller 10/12/92...
**82495DX/490DX DX CPU-Cache Chip Set <Sep91...
**82495XP/490XP Cache Controller / Cache RAM (for i860) 06/05/91...
**82496/491 Cache Controller / Cache RAM (for P5 Pentium) 03/22/93...
**82497/492 Cache Controller / Cache RAM (for P54 Pentium) <Nov94...
**82498/493 Cache Controller / Cache RAM (for P54 Pentium) <Nov94...
**
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**UM82C206 Integrated Peripheral Controller <91
***Info:
The UM82C206 Integrated Peripheral controller includes two 8237 DMA
controllers, two 8259 Interrupt controllers, one 8254 Timer/Counter,
one MC146818 compatible Real Time Clock, an additional 64 bytes CMOS
RAM, one 74LS612 memory mapper, and some top level decoder/
configuration logic circuits. It is a single chip integration of all
main peripheral parts attached to the X bus of PC/AT architecture.
While providing full compatibility with PC/AT architecture, the
UM82C206 also offers some enhanced features and improved speed
performance. These include an additional 64 bytes of user definable
CMOS RAM in real time clock and drastically reduced recovery time for
the 8237, 8259 and 8254. Programmable wait state option is provided
for the DME cycles and CPU I/O cycles accessing this chip. This chip
also provides programmable 8 or 4 MHz DMA clock selection. The
UM82C206 is implemented using advanced 1.5u CMOS design technology and
is packaged in an 84-pin PLCC.
***Versions:...
***Features:...
**UM82c45x Serial/Parallel chips ?...
**Other chips:...
*Unresearched:...
*VIA...
*VLSI...
**Modems:
VL7C212A CMOS 300/1200 Bit-Per-Second Modem
VL7C213 CMOS Parallel Bus Modem Controller.
VL7C214 CMOS Stand-Alone Modem Interface Controller
VL7C215 CMOS High Speed Parallel Bus Modem Controller
VL7C224A 2400 Bit-Per-Second Analog Modem
VL7C225 CMOS 2400 Bit-Per-Second Modem Advanced Coprocessor Family
VL7C235 CMOS 2400 Bit-Per-Second Modem Advanced Coprocessor Family
VL7C245 CMOS 2400 Bit-Per-Second Modem Advanced Coprocessor Family
VL7C312 CMOS 300/1200 BPS Modem With Pin Programmable Receiver Gain
VL7C412 CMOS 300/1200 BPS Modem (Single 5-Volt Power Supply)
VL7C413 CMOS High Speed Parallel Bus Modem Controller
VL7C414 CMOS Stand-Alone Modem Interface Controller
**Other:...
**Not sure if they actually exist...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...
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