IA2910A

Data Sheet

Microprogram Controller

August 19, 2008

IA211030314-03

http://www.Innovasic.com

Customer Support:

Page 4 of 21

1-888-824-4184

Features

Form, Fit, and Function Compatible with the AMD

™

Am2910A

Packaging options available: 40 Pin Ceramic DIP or 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

produces replacement ICs far more complex than "emulation" while ensuring they are compatible with the

are duplicated. This data sheet documents all necessary engineering information about the IA2910 including

functional and I/O descriptions, electrical characteristics, and applicable timing.

Package Pinout

(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

(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)

CCn

YOUT9

DIN9

YOUT10

DIN10

YOUT11

DIN11

DIN0

YOUT0

DIN1

YOUT1

DIN2

YOUT2

DIN3

YOUT3

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

(34)

(39)

(38)

(37)

(36)

(35)

(33)

(32)

(31)

(30)

(29)

DIN11

YOUT11

OEn

N. C.

N. C.