Rainbow Electronics DS3170 - Manual (Page 222)

DS3170 DS3/E3 Single-Chip Transceiver
222 of 233
17.3 Micro Interface AC Characteristics
17.3.1 SPI Bus Mode
Table 17-5. SPI Bus Mode Timing
SYMBOL (1) CHARACTERISTIC (2) SYMBOL MIN MAX UNITS
Operating Frequency
Slave
f
BUS(S)
10 MHz
t1 Cycle Time: Slave t
cyc(s)
100 — ns
t2 Enable Lead Time t
LEAD(S)
15 — ns
t3 Enable Lag Time t
LAG(S)
15 — ns
t4
Clock (CLK) High Time
Slave
t
CLKH(S)
50 — ns
t5
Clock (CLK) Low Time
Slave
t
CLKL(S)
50 — ns
t6
Data Setup Time (Inputs)
Slave
t
SU(S)
5 — ns
t7
Data Hold Time (Inputs)
Slave
t
H(S)
15 — ns
t8 Disable Time, Slave
(3)
t
DIS(S)
— 25 ns
t9
Data Valid Time, After Enable Edge
Slave
(4)
t
V(S)
— 40 ns
t10
Data Hold Time, Outputs, After Enable Edge
Slave
t
HD(S)
5 — ns
Note 1: Symbols refer to dimensions in the following figure.
Note 2: 100 pF load on all SPI pins.
Note 3: Hold time to high-impedance state.
Note 4: With 100 pF on all SPI pins.