HP 7475a Service Manual

Section VI
DATA
DATA
RFD
DAC
7475-A-14-1
6-4
ADDRESS
SWITCH
S1
T/R1
T/R2
DATA
T/R2
Model 7475A
FROM
CSt------
GATE ARRAY A
HP-18
INTERFACE
CLK 1-4------
U12
R/W "4------
RESE"f ~------
CONTROL
FROM
PROCESSOR
---~~~-------(A_T_N_=_F_A_L_S_E_) ______ _,~~---
VALID
ALL ADY
NONE ADY
SOURCE
SOURCE
SOME
I 1n1rDY
iTirrtl' Acc ACCEPTOR
---------:------------_._~......_......... I ACCEPTOR
DATA TRANSFER
BEGINS
DATA TRANSFER
ENDS
Note; signals shown are HP-18 device levels and are complements of the bus.
Figure 6-3. HP-IB Interface Circuits and Handshake Timing Diagram

HP 7475a Specifications

General

Brand	HP
Model	7475a
Category	Plotter
Language	English