PCF2123TS/1.118 NXP Semiconductors, PCF2123TS/1.118 Datasheet - Page 43

• Manufacturer Part Number: PCF2123TS/1.118
• Manufacturer: NXP Semiconductors

Specifications of PCF2123TS/1.118

• Bus Type: Serial (3-Wire, SPI)
• Package Type: TSSOP
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Mounting: Surface Mount
• Date Format: DW:DM:M:Y
• Time Format: HH:MM:SS
• Lead Free Status / RoHS Status: Compliant

NXP Semiconductors
12. Dynamic characteristics
Table 45.
V
referenced to V
PCF2123
Product data sheet
Symbol
Timing characteristics (see
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
clk(SCL)
SCL
clk(H)
clk(L)
r
f
su(CE)
h(CE)
rec(CE)
w(CE)
su
h
d(R)SDO
dis(SDO)
t(SDI-SDO)
SS
= 0 V; T
Parameter
SCL clock frequency
SCL time
clock HIGH time
clock LOW time
rise time
fall time
CE set-up time
CE hold time
CE recovery time
CE pulse width
set-up time
hold time
SDO read delay time
SDO disable time
transition time from
SDI to SDO
SPI-bus characteristics
amb
IL
=
and V
−
40
°
C to +85
IH
with an input voltage swing of V
Figure
°
C. All timing values are valid within the operating supply voltage and temperature range and
Conditions
for SCL signal
for SCL signal
measured after valid
subaddress is
received
set-up time for SDI
data
bus load = 50 pF
no load value; bus will
be held up by bus
capacitance; use RC
time constant with
application values
to avoid bus conflict
hold time for SDI data 25
28)
All information provided in this document is subject to legal disclaimers.
Rev. 03 — 5 October 2010
SS
V
Min
-
345
90
200
-
-
40
40
30
-
10
-
-
0
DD
to V
= 1.6 V
DD
Max
-
-
-
100
100
-
-
-
0.99
-
-
190
70
2.9
-
.
V
Min
-
220
50
120
-
-
35
30
25
-
5
10
-
-
0
DD
= 2.4 V
Max
4.54
-
-
-
100
100
-
-
-
0.99
-
-
108
45
-
-
-
20
-
-
V
Min
-
175
45
95
30
25
3
8
-
0
DD
SPI Real time clock/calendar
= 3.3 V
Max
5.71
-
-
-
50
50
-
-
-
0.99
-
-
85
40
-
V
Min
-
125
40
70
-
-
25
15
15
-
2
5
-
-
0
PCF2123
© NXP B.V. 2010. All rights reserved.
DD
= 5.0 V
50
50
60
Max
8.0
-
-
-
-
-
-
0.99
-
-
27
-
43 of 61
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
s
ns
ns
ns
ns
ns