IA2910A Datasheet, PDF (1/19 Pages) InnovASIC, Inc – Microprogram Controller

IA2910A
Microprogram Controller
Page 1 of 19
Preliminary Data Sheet
FEATURES
• Form, Fit, and Function Compatible with the AMD^™ Am2910A
• Packaging options available: 40 Pin Plastic or Ceramic DIP, 44 Pin Plastic
Leaded Chip Carrier
• Twelve Bits Wide
• Internal Loop Counter
• Four Address Sources
- push/pop stack counter
- internal holding register
- microprogram counter
- branch address bus
• 9 Word Deep Stack Register
- push/pop control for nesting subroutines
• 16 Sequence Control Microinstructions
• Output Enable controls 3 Branch Address Sources
The IA2910A uses innovASIC’s innovative new f ³ Program to provide industry with parts that
other vendors have declared obsolete. By specifying parts through this program a customer is
assured of never having a component become obsolete again. This data sheet assumes the original
part has been designed in, and so provides a summary of capabilities only. For new designs contact
innovASIC for more detailed information.
AMD is a trademark of Advanced Micro Devices, Inc.
YOUT4
DIN4
YOUT5
DIN5
VECTn
PLn
MAPn
I3
I2
VCC
I1
I0
CCENn
CCn
RLDn
FULLn
DIN6
YOUT6
DIN7
YOUT7
(1) _{IA2910A (40)}
(2) _{40 Pin DIP (39)}
(3)
(38)
(4)
(37)
(5)
(36)
(6)
(35)
(7)
(34)
(8)
(33)
(9)
(32)
(10)
(31)
(11)
(30)
(12)
(29)
(13)
(28)
(14)
(27)
(15)
(26)
(16)
(25)
(17)
(24)
(18)
(23)
(19)
(22)
(20)
(21)
DIN3
YOUT3
DIN2
YOUT2
DIN1
YOUT1
DIN0
YOUT0
CIN
CLK
VDD
OEn
YOUT11
DIN11
YOUT10
DIN10
YOUT9
DIN9
YOUT8
DIN8
PLn
(7)
MAPn
(8)
I3
(9)
I2
(10)
VCC
(11)
I1
(12)
I0
(13)
CCENn
(14)
CCn
(15)
RLDn
(16)
N.C.
(17)
IA2910A
44 Pin LCC
(39)
YOUT1
(38)
DIN0
(37)
YOUT0
(36)
N. C.
(35)
CIN
(34)
CLK
(33)
VDD
(32)
N. C.
(31)
OEn
(30)
YOUT11
(29)
DIN11
Copyright © 1999, InnovASIC Inc.
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