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I
A2910A
Microprogram Controller
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
Preliminary
Data Sheet
Copyright
1999, InnovASIC Inc.
Customer SpecficIC Soutions
The IA2910A uses
innov
ASIC
’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
innov
ASIC
for more detailed information.
AMD is a trademark of Advanced Micro Devices, Inc.
(6)
PLn
(1)
YOUT4
(2)
DIN4
(3)
YOUT5
(4)
DIN5
(5)
VECTn
(7)
MAPn
(8)
I3
(9)
I2
(10)
VCC
(11)
I1
(12)
I0
(13)
CCENn
CCn
(14)
40 Pin DIP
IA2910A
CIN
CLK
VDD
OEn
(20)
YOUT7
(15)
RLDn
(16)
FULLn
(17)
DIN6
(18)
YOUT6
(19)
DIN7
(21)
(22)
(23)
(24)
YOUT8
DIN8
(40)
(39)
(38)
(37)
(36)
(35)
(34)
(33)
(32)
(31)
(30)
(29)
(28)
(27)
(26)
(25)
YOUT9
DIN9
YOUT10
DIN10
YOUT11
DIN11
DIN0
YOUT0
DIN1
YOUT1
DIN2
YOUT2
DIN3
YOUT3
F
44 Pin LCC
IA2910A
(12)
I1
(7)
PLn
(8)
MAPn
(9)
I3
(10)
I2
(11)
VCC
(13)
I0
(14)
CCENn
(15)
CCn
(16)
RLDn
(17)
N.C.
YOUT1
VDD
CLK
CIN
YOUT0
DIN0
Y
D
(
(
(
(
(
(
(
(
(
D
(
Y
(
D
V
N
(34)
(39)
(38)
(37)
(36)
(35)
(33)
(32)
(31)
(30)
(29)
(
(
(
(
(
(
(
(
(
(
(
D
Y
D
Y
D
Y
Y
D
Y
D
Y
D
Y
D
DIN11
YOUT11
OEn
N. C.
N. C.