Keithley 7001 User Manual

Theory of Operation
6-4
Figure 6-2
Block diagram
 digital circuitry and memory
E
2
PROM
2K X 8
CPU
68302
U107
BAR
$902XXX
128K X16
EPROM
$000000
U113
32K X 8
RAM
$800000
U110
32K X 8
RAM
$80FFFF
U111
Battery
Backup
1210
U108
16MHz Oscillator
IEEE-488 Bus
Bus
Drivers
9914
GPIA
Glue
Logic
16MHz
4MHz CLK
Display
Interface
CLK
TXD
RXD
RESET
Backplane
Interface
ID CLK
ID Data
Relay CLK
Relay Data
Strobe
Enable
Chip Select
R/W
I/O Data
Glue
Logic
+6V
+5V
Reg
VFD
+5V
Reg
+5VDC
VFD
Supply
+60V
5VAC
Filament
Digital I/O
Triggers
Trigger Link
Interface
3V
+6V
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Keithley 7001 Specifications

General

Brand	Keithley
Model	7001
Category	Switch
Language	English