HCS201 Datasheet, PDF (14/28 Pages) Microchip Technology – KEELOQ Code Hopping Encoder

HCS201
TABLE 6-1: PROGRAMMING/VERIFY TIMING REQUIREMENTS
VDD = 5.0V ± 10%, 25° C ± 5 °C
Parameter
Symbol
Min.
Program mode setup time
TPS
2
Hold time 1
TPH1
4.0
Hold time 2
TPH2
50
Bulk Write time
TPBW
4.0
Program delay time
TPROG
4.0
Program cycle time
TWC
50
Clock low time
TCLKL
50
Clock high time
TCLKH
50
Data setup time
TDS
0
Data hold time
TDH
18
Data out valid time
TDV
—
Hold time
TPHOLD
100
Acknowledge low time
TACKL
800
Acknowledge high time
TACKH
800
Max.
5.0
—
—
—
—
—
—
—
—
—
30
—
—
—
Units
ms
ms
µs
ms
ms
ms
µs
µs
µs
µs
µs
µs
µs
µs
DS41098C-page 14
© 2001 Microchip Technology Inc.