Tandy 1400LT - Page 177

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ITR,

FPp

I

I

I

I

I

74HC 125

I

32

11

+5v

I.

BUS

I

I

I

I

I

-

I

(12. 14, 15, 17)

(3.

4, 15) BAO

(14)

m

(4, 8, 14, 15)

EJll?

(4,

8,

14, 15)

8sR

+5v

I

A3

IA4

I

A5

IA6

IA7

IA8

IA9

IAIO

IAll

IA12

IA13

IA14

IA15

IA16

IA17

IAI8

IA19

IRQO

IRQ

1

IRQ2

IRQ3

IRQ4

IRQ5

IRQ6

IRQ7

(1)

RST

(1)

CLK

I

RST

RDY

3-u

-sT

-E

QSO

QS

1

TEST

FmiK

--------

-

C13

IC10

I

BRST

I

I

C14

I

I

I

5 6

I

(14)

I

T

I

BCLK

I

I

I

I

I

I

(I7)

ECLK

I

I

IC8

-

11

R7,

R81

83

Cl1

14

GND

2o

/IC9

NO.

2

7-2

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