INTEGRATED CIRCUITS DATA SHEET For a complete data sheet, please also download: • The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications • The IC06 74HC/HCT/HCU/HCMOS Logic Package Information • The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines 74HC/HCT165 8-bit parallel-in/serial-out shift register Product specification File under Integrated Circuits, IC06 December 1990
Philips Semiconductors Product specification 8-bit parallel-in/serial-out shift register 74HC/HCT165 When PL is HIGH, data enters the register serially at the Ds input and shifts one place to the right (Q0 → Q1 → Q2, etc.) with each positive-going clock transition. This feature allows parallel-to-serial converter expansion by tying the Q7 output to the DS input of the succeeding stage.
Philips Semiconductors Product specification 8-bit parallel-in/serial-out shift register 74HC/HCT165 PIN DESCRIPTION PIN NO.
Philips Semiconductors Product specification 8-bit parallel-in/serial-out shift register 74HC/HCT165 Fig.4 Functional diagram. FUNCTION TABLE OPERATING MODES INPUTS PL parallel load CE CP DS D0-D7 Qn REGISTERS OUTPUTS Q0 Q7 Q1-Q6 Q7 L L X X X X X X L H L H L-L H-H L H H L serial shift H H L L ↑ ↑ l h X X L H q0-q5 q0-q5 q6 q6 q6 q6 hold “do nothing” H H X X X q0 q1-q6 q7 q7 Note 1.
Philips Semiconductors Product specification 8-bit parallel-in/serial-out shift register 74HC/HCT165 DC CHARACTERISTICS FOR 74HC For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Output capability: standard ICC category: MSI AC CHARACTERISTICS FOR HC GND = 0 V; tr = tf = 6 ns; CL = 50 pF Tamb (°C) TEST CONDITIONS 74HC SYMBOL PARAMETER +25 min. typ. −40 to +85 max. min. max. −40 to +125 min. UNIT VCC WAVEFORMS (V) max.
Philips Semiconductors Product specification 8-bit parallel-in/serial-out shift register 74HC/HCT165 Tamb (°C) TEST CONDITIONS 74HC SYMBOL PARAMETER +25 min. typ. −40 to +85 max. min. max. −40 to +125 min. UNIT VCC WAVEFORMS (V) max. th hold time Ds to CP, CE Dn to PL 5 5 5 6 2 2 5 5 5 5 5 5 ns 2.0 4.5 6.0 Fig.6 th hold time CE to CP CP to CE 5 5 5 −17 −6 −5 5 5 5 5 5 5 ns 2.0 4.5 6.0 Fig.6 fmax maximum clock pulse frequency 6 30 35 17 51 61 5 24 28 4 20 24 MHz 2.
Philips Semiconductors Product specification 8-bit parallel-in/serial-out shift register 74HC/HCT165 DC CHARACTERISTICS FOR 74HCT For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Output capability: standard ICC category: MSI Note to HCT types The value of additional quiescent supply current (∆ICC) for a unit load of 1 is given in the family specifications. To determine ∆ICC per input, multiply this value by the unit load coefficient shown in the table below.
Philips Semiconductors Product specification 8-bit parallel-in/serial-out shift register 74HC/HCT165 AC CHARACTERISTICS FOR 74HCT GND = 0 V; tr = tf = 6 ns; CL = 50 pF Tamb (°C) TEST CONDITIONS 74HCT SYMBOL PARAMETER +25 min. −40 to +85 −40 to +125 typ. max. min. max. min. max. WAVEFORMS UNIT V CC (V) tPHL/ tPLH propagation delay CE, CP to Q7, Q7 17 34 43 51 ns 4.5 Fig.6 tPHL/ tPLH propagation delay PL to Q7, Q7 20 40 50 60 ns 4.5 Fig.
Philips Semiconductors Product specification 8-bit parallel-in/serial-out shift register 74HC/HCT165 AC WAVEFORMS The changing to output assumes internal Q6 opposite state from Q7. (1) HC : VM = 50%; VI = GND to VCC. HCT: VM = 1.3 V; VI = GND to 3 V. Fig.6 Waveforms showing the clock (CP) to output (Q7 or Q7) propagation delays, the clock pulse width, the output transition times and the maximum clock frequency. The changing to output assumes internal Q6 opposite state from Q7.
Philips Semiconductors Product specification 8-bit parallel-in/serial-out shift register 74HC/HCT165 CE may change only from HIGH-to-LOW while CP is LOW. The shaded areas indicate when the input is permitted to change for predictable output performance. (1) HC : VM = 50%; VI = GND to VCC. HCT: VM = 1.3 V; VI = GND to 3 V. Fig.
