74HC_HCT393_3 © Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet Rev. 03 — 6 September 2005 6 of 25
Philips Semiconductors 74HC393; 74HCT393
Dual 4-bit binary ripple counter
8. Limiting values
[1] For DIP14 package: Ptot derates linearly with 12 mW/K above 70 °C.
[2] For SO14 package: Ptot derates linearly with 8 mW/K above 70 °C.
[3] For (T)SSOP14 packages: Ptot derates linearly with 5.5 mW/K above 60 °C.
[4] For DHVQFN14 packages: Ptot derates linearly with 4.5 mW/K above 60 °C.
9. Recommended operating conditions
Table 5: Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to
GND (ground = 0 V).
Symbol Parameter Conditions Min Max Unit
VCC supply voltage −0.5 +7 V
IIK input clamping current VI < −0.5 V or VI>V
CC + 0.5 V - ±20 mA
IOK output clamping current VO<−0.5 V or
VO>V
CC + 0.5 V -±20 mA
IOoutput current VO = −0.5 V to VCC + 0.5 V - ±25 mA
ICC quiescent supply current - ±50 mA
IGND ground current - ±50 mA
Tstg storage temperature −65 +150 °C
Ptot total power dissipation
DIP14 package [1] - 750 mW
SO14 package [2] - 500 mW
(T)SSOP14 package [3] - 500 mW
DHVQFN14 package [4] - 500 mW
Table 6: Recommended operating conditions
Symbol Parameter Conditions Min Typ Max Unit
74HC393
VCC supply voltage 2.0 5.0 6.0 V
VIinput voltage 0 - VCC V
VOoutput voltage 0 - VCC V
Tamb ambient temperature −40 - +125 °C
tr, tfinput rise and fall time VCC = 2.0 V - - 1000 ns
VCC = 4.5 V - 6.0 500 ns
VCC = 6.0 V - - 400 ns
74HCT393
VCC supply voltage 4.5 5.0 5.5 V
VIinput voltage 0 - VCC V
VOoutput voltage 0 - VCC V
Tamb ambient temperature −40 - +125 °C
tr, tfinput rise and fall time VCC = 4.5 V - 6.0 500 ns