Datasheet
CBTW28DD14 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 6 — 25 July 2014 5 of 13
NXP Semiconductors
CBTW28DD14
14-bit bus switch/multiplexer for DDR2/DDR3/DDR4 applications
9. Recommended operating conditions
10. Static characteristics
[1] Typical values are at V
DD
= 1.8 V, T
amb
=25C, and maximum loading.
11. Dynamic characteristics
[1] Guaranteed by design.
Table 6. Operating conditions
Symbol Parameter Conditions Min Typ Max Unit
V
DD
supply voltage 1.4 1.5 or
1.8
2.0 V
V
I
input voltage all inputs 0.3 - V
DD
+0.3 V
T
amb
ambient temperature operating in free air 10 - +85 C
Table 7. Static characteristics
V
DD
= 1.4 V to 2.0 V; T
amb
=
10
C to +85
C; unless otherwise specified.
Symbol Parameter Conditions Min Typ
[1]
Max Unit
I
DD
supply current EN = HIGH; V
DD
=1.8V - 0.3 1 mA
EN = LOW; V
DD
=1.8V --10A
I
IH
HIGH-level input current V
DD
=2.0V; V
I
=V
DD
--5 A
I
IL
LOW-level input current V
DD
=2.0V; V
I
=GND - - 5 A
V
IH
HIGH-level input voltage SEL, EN pins 0.8V
DD
--V
V
IL
LOW-level input voltage SEL, EN pins -0.5 - 0.2V
DD
V
V
IK
input clamping voltage V
DD
=2.0V; I
I
= 18 mA - 0.7 1.2 V
Table 8. Dynamic characteristics
Symbol Parameter Conditions Min Typ Max Unit
t
startup
start-up time supply voltage valid or EN going HIGH to
channel specified operating characteristics
--1 ms
t
rcfg
reconfiguration time SEL state change to channel specified
operating characteristics
--25
[1]
ns
V
I
input voltage 0.3 - V
DD
+0.3 V
V
bias(DC)
bias voltage (DC) 0 - 2.0 V
il
insertion loss channel is on; 0 Hz f 1.0 GHz 2.5 1.5 - dB
channel is on; f = 2.5 GHz 4.5 - - dB
channel is off; 0 Hz f 3.0 GHz - - 20 dB
RL
in
input return loss channel is on; 0 Hz f 1.0 GHz - - 10 dB
ct
crosstalk attenuation adjacent channels are on;
0Hz f 1.0 GHz
--25 dB
B bandwidth 3.0 dB intercept - 2.5 - GHz
t
PD
propagation delay from A port to B port or C port or vice versa - 80 - ps
t
sk
skew time from any output to any output - - 20 ps