Philips Semiconductors
1-to-64 bit variable length shift register
Product specification
HEF4557B
LSI
Fig.4 Waveforms showing recovery time for MR and minimum CP0, CP1 and MR pulse widths, set-up and hold
times for DA, DB and A/B to CP0 and CP1. Set-up and hold times are shown as positive values but may
be specified as negative values.
January 1995
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