Global Specialties PB-501 - Manual - Manual (Page 7)

7
SPECIFICATIONS
Input Power Source
Battery - 4 "C" type 6VDC
Adapter - Optional User Supplied
5V- Optional
Clock
Frequency - Fixed at 1Khz +/-50%
Logic "1" output current 1.2mA @ 3.5V
Logic "0" output current 1.2 mA @0.25V
User variable with use of external
capacitor
Pulsers
Fully debounced pushbuttons (2 each) with
logic true and complementary outputs
Logic '1" output current 400 µA @ 2.4V
min Logic "0" output
current 16mA max @ 0.4V max
Logic Switches
Dual Function: 8 switches buffered by two
4-bit tri-state buffers with separate enables
Logic "1" output current 2.6mA max @2.4V
min Logic "0" output
current 24mA max @ 0.5V max
Enables: Logic "1"
input current 400µA @ 5V Logic "0" input
current 20µ @ 0.2V
Logic Indicators
Dual Function: 8 LEDs driven by two 4-bit
latches with separate enables
Logic "1" input current 50µA @ 5V
Logic "0" Input current not required
Breadboards
840 tie points with (8) 25 pin power rails
and accommodates up to 8 (14 pin) ICs
Weight 1 lb, 6oz (less batteries and adapter)
Dimensions 10" x 7.5" x 2.6"