Renesas PROM Programming Adapter PCA7447FP Informacje Techniczne Pobierz pdf (Strona 52)

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

38C8 Group

tw(RESET)

tc(XIN)

twH(XIN)

twL(XIN)

tc(CNTR)

twH(CNTR)

twL(CNTR)

twH(INT)

twL(INT)

tc(SCLK)

twH(SCLK)

twL(SCLK)

tsu(RxD-SCLK)

th(SCLK-RxD)

Limits

µs

Parameter

Min.

125

250

100

2/f(XIN)

tc(CNTR)/2–20

230

2000

950

400

200

Typ. Max.

Symbol Unit

Reset input “L” pulse width

Main clock input cycle time (XIN input) Vcc = 2.7 to 4.0 V

Main clock input cycle time (XIN input) Vcc = 2.5 to 2.7 V

Main clock input “H” pulse width Vcc = 2.7 to 4.0 V

Main clock input “H” pulse width Vcc = 2.5 to 2.7 V

Main clock input “L” pulse width Vcc = 2.7 to 4.0 V

Main clock input “L” pulse width Vcc = 2.5 to 2.7 V

CNTR0, CNTR1 input cycle time

CNTR0, CNTR1 input “H” pulse width

CNTR0, CNTR1 input “L” pulse width

INT0, INT1 input “H” pulse width

INT0, INT1 input “L” pulse width

Serial I/O clock input cycle time (Note)

Serial I/O clock input “H” pulse width (Note)

Serial I/O clock input “L” pulse width (Note)

Serial I/O input setup time

Serial I/O input hold time

Table 20 Timing requirements 2 (One Time PROM version) (Vcc = 2.5 to 4.0 V, Vss = 0 V, Ta = –20 to 85°C, unless otherwise noted)

Note: When bit 6 of address 001A16 is “1”.

Divide this value by four when bit 6 of address 001A

16 is “0”.

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