SC18IS602 Datasheet, PDF (17/25 Pages) NXP Semiconductors – I2C-bus to SPI bridge

NXP Semiconductors
SC18IS602/602B/603
I²C-bus to SPI bridge
11. Dynamic characteristics
Table 13. Dynamic characteristics
V_DD = 2.4 V to 3.6 V; T_amb = −40 °C to +85 °C (industrial); unless otherwise specified.
Symbol Parameter
Conditions
Variable clock
Min
Max
f_osc(RC)
internal RC oscillator
frequency
External clock input
nominal f = 7.3728 MHz;
trimmed to ±1 % at
T_amb = 25 °C
7.189
7.557
f_osc
oscillator frequency
T_CLCL
clock cycle time
t_CHCX
clock HIGH time
t_CLCX
clock LOW time
t_CLCH
clock rise time
t_CHCL
clock fall time
Glitch filter
[1]
0
18
55
-
22
T_CLCL − t_CLCX
22
T_CLCL − t_CHCX
-
5
-
5
t_gr
glitch rejection time
RESET pin
any pin except RESET
-
50
125
-
t_sa
signal acceptance time RESET pin
any pin except RESET
-
15
50
-
SPI master interface
f_SPI
T_SPICYC
t_SPICLKH
t_SPICLKL
t_SPIDSU
t_SPIDH
t_SPIDV
SPI operating frequency 4.5 MHz
SPI cycle time
4.5 MHz
SPICLK HIGH time
SPICLK LOW time
SPI data set-up time
SPI data hold time
SPI enable to output data 3.0 MHz
valid time
4.5 MHz
-
4_⁄fosc
2_⁄fosc
2_⁄fosc
100
100
0
0
fosc_⁄4
-
-
-
-
-
160
111
t_SPIOH
t_SPIR
SPI output data hold time
SPI rise time
SPI outputs
(SPICLK, MOSI, MISO)
0
-
-
100
SPI inputs
-
2000
(SPICLK, MOSI, MISO, SSn)
t_SPIF
SPI fall time
SPI outputs
(SPICLK, MOSI, MISO)
-
100
SPI inputs
-
2000
(SPICLK, MOSI, MISO, SSn)
f_osc = 12 MHz
Min Max
-
-
-
-
-
-
22
-
22
-
-
5
-
5
-
50
125
-
-
15
50
-
-
4.5
222
-
111
-
111
-
100
-
100
-
-
160
-
111
0
-
-
100
-
2000
-
100
-
2000
Unit
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
[1] Parameters are valid over operating temperature range unless otherwise specified. Parts are tested to 2 MHz, but are guaranteed to
operate down to 0 Hz.
SC18IS602_602B_603_4
Product data sheet
Rev. 04 — 11 March 2008
© NXP B.V. 2008. All rights reserved.
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