Datasheet
74HC_HCT165_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 14 March 2008 6 of 22
NXP Semiconductors
74HC165; 74HCT165
8-bit parallel-in/serial out shift register
[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2] P
tot
derates linearly with 12 mW/K above 70 °C.
[3] P
tot
derates linearly with 8 mW/K above 70 °C.
[4] P
tot
derates linearly with 5.5 mW/K above 60 °C.
[5] P
tot
derates linearly with 4.5 mW/K above 60 °C.
9. Recommended operating conditions
10. Static characteristics
P
tot
total power dissipation T
amb
= −40 °C to +125 °C
DIP16 package
[2]
- 750 mW
SO16 package
[3]
- 500 mW
(T)SSOP16 package
[4]
- 500 mW
DHVQFN16 package
[5]
- 500 mW
Table 4. Limiting values
…continued
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V)
Symbol Parameter Conditions Min Max Unit
Table 5. Recommended operating conditions
Voltages are referenced to GND (ground = 0 V)
Symbol Parameter Conditions 74HC165 74HCT165 Unit
Min Typ Max Min Typ Max
V
CC
supply voltage 2.0 5.0 6.0 4.5 5.0 5.5 V
V
I
input voltage 0 - V
CC
0-V
CC
V
V
O
output voltage 0 - V
CC
0-V
CC
V
T
amb
ambient temperature −40 - +125 −40 - +125 °C
∆t/∆V input transition rise and fall rate V
CC
= 2.0 V - - 625 - - - ns/V
V
CC
= 4.5 V - 1.67 139 - 1.67 139 ns/V
V
CC
= 6.0 V - - 83 - - - ns/V
Table 6. Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions 25 °C −40 °C to +85 °C −40 °C to +125 °C Unit
Min Typ Max Min Max Min Max
74HC165
V
IH
HIGH-level
input voltage
V
CC
= 2.0 V 1.5 1.2 - 1.5 - 1.5 - V
V
CC
= 4.5 V 3.15 2.4 - 3.15 - 3.15 - V
V
CC
= 6.0 V 4.2 3.2 - 4.2 - 4.2 - V
V
IL
LOW-level
input voltage
V
CC
= 2.0 V - 0.8 0.5 - 0.5 - 0.5 V
V
CC
= 4.5 V - 2.1 1.35 - 1.35 - 1.35 V
V
CC
= 6.0 V - 2.8 1.8 - 1.8 - 1.8 V
