74HC297 Datasheet, PDF (11/12 Pages) NXP Semiconductors – Digital phase-locked-loop filter

Philips Semiconductors
Digital phase-locked-loop filter
AC WAVEFORMS
Product specification
74HC/HCT297
(1) HC : V_M = 50%; V_I = GND to V_CC.
HCT: V_M = 1.3 V; V_I = GND to 3 V.
Fig.11 Waveforms showing the clock (I/D_CP) to output (I/D_OUT) propagation delays, the clock pulse width, output
transition times and maximum clock pulse frequency.
(1) HC : V_M = 50%; V_I = GND to V_CC.
HCT: V_M = 1.3 V; V_I = GND to 3 V.
Fig.12 Waveforms showing the phase input (φB, φA₁) to output (XORPD_OUT) propagation delays and output
transition times.
September 1993
11