HCS320 Datasheet, PDF (15/32 Pages) Microchip Technology – KEELOQ Code Hopping Encoder

TABLE 6-1: PROGRAMMING/VERIFY TIMING REQUIREMENTS
VDD = 5.0V ± 10%, 25 °C ± 5 °C
Parameter
Program mode setup time
Hold time 1
Hold time 2
Bulk Write time
Program delay time
Program cycle time
Clock low time
Clock high time
Data setup time
Data hold time
Data out valid time
Symbol
TPS
TPH1
TPH2
TPBW
TPROG
TWC
TCLKL
TCLKH
TDS
TDH
TDV
Min.
3.5
3.5
50
4.0
4.0
50
50
50
0
30
—
Note 1: Typical values - not tested in production.
Max.
4.5
—
—
—
—
—
—
—
—
—
30
HCS320
Units
ms
ms
µs
ms
ms
ms
µs
µs
µs⁽¹⁾
µs⁽¹⁾
µs⁽¹⁾
© 2001 Microchip Technology Inc.
DS41097C-page 15