74393

Dual 4-bit binary ripple counter

PDF datasheet

    
1CP1 •14Vcc
1MR2132CP
1Q03122MR
1Q14112Q0
1Q25102Q1
1Q3692Q2
GND782Q3
    
PinSymbolDescription
11CPclock input (high-to-low, edge-triggered)
21MRasynchronous master reset (active high)
31Q0flip-flop output
41Q1flip-flop output
51Q2flip-flop output
61Q3flip-flop output
7GNDground
82Q3flip-flop output
92Q2flip-flop output
102Q1flip-flop output
112Q0flip-flop output
122MRasynchronous master reset (active high)
132CPclock input (high-to-low, edge-triggered)
14Vccsupply voltage

Specifications

(typical values under recommended operating conditions, unless specified)
ParameterValueUnit
Propagation delay, nCP to nQ012 (74HC)
20 (74HCT)
ns
Propagation delay, nQx to nQ(x+1)5 (74HC)
6 (74HCT)
ns
Propagation delay, nMR to nQx11 (74HC)
15 (74HCT)
ns
Maximum clock frequency99 (74HC)
53 (74HCT)
MHz

Note: Data is maintained by an independent source and accuracy is not guaranteed. Check with the manufacturer's datasheet for up-to-date information.