MAX3023 Maxim Integrated Products, MAX3023 Datasheet - Page 10

• Manufacturer Part Number: MAX3023
• Description: (MAX3023 - MAX3028) Single-/Dual-/Quad-Level Translators
• Manufacturer: Maxim Integrated Products

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+1.2V to +3.6V, 0.1µA, 100Mbps,
Single-/Dual-/Quad-Level Translators
The MAX13013–MAX13017/MAX3023–MAX3028 logic-
level translators provide the level shifting necessary to
allow 100Mbps data transfer in a multivoltage system.
Externally applied voltages, V
levels on either side of the device. Logic signals pre-
sent on the V
voltage logic signal on the V
vice-versa. The MAX13013/MAX13014/MAX3023 bidi-
rectional level translators allow data translation in either
direction (V
MAX13015/MAX13016/MAX13017/MAX3024–MAX3028
unidirectional level translators, level shift data in one
direction (V
line. The MAX13013–MAX13017/MAX3023–MAX3028
accept V
V
transfer between low-voltage ASICs/PLDs and higher
voltage systems.
When in tri-state mode, the MAX13013–MAX13017/
MAX3023–MAX3028 reduce the V
0.03µA, and the V
devices operate at a guaranteed data rate of 100Mbps
for V
For proper operation, ensure that +1.65V ≤ V
and +1.2V ≤ V
sequencing, V
Figure 5. Simplified Functional Diagram (One I/O Line)
10
CC
L
______________________________________________________________________________________
from +1.65V to +3.6V, making them ideal for data
> 1.8V.
L
from +1.2V to (V
L
L
→ V
L
↔V
L
side of the device appear as a higher-
I/O V
L
≥ V
CC
CC
V
≤ V
L
L
L
CC
) on any single data line. The
or V
supply current to 0.1µA. These
Detailed Description
CC
does not damage the device.
CC
- 0.4V. During power-up
CC
CC
→V
CC
- 0.4V) and operate with
side of the device, and
L
Level Translation
) on any single data
and V
CC
supply current to
L
, set the logic
CC
150Ω
≤ +3.6V,
ONE-SHOT
ONE-SHOT
P
N
I/O V
L_
ONE-SHOT
ONE-SHOT
TO I/O V
P
N
During power-supply sequencing, when V
and V
sourced to each load on the V
latching up. The maximum data rate depends heavily on
the load capacitance (see the Typical Operating
Characteristics Rise/Fall Time graph), output impedance
of the driver, and the operating voltage range (Table 1).
The MAX13013–MAX13017/MAX3023–MAX3028 archi-
tecture is based on a one-shot accelerator output stage
(see Figure 5). Accelerator output stages are in tri-state
mode except when there is a transition on any of the
translators on the input side, either I/O V
A short pulse is then generated during which the accel-
erator output stages become active and charge/dis-
charge the capacitances at the I/Os. Due to the
architecture, both sides become active during the one-
shot pulse. This can lead to some current feeding into
the external source that is driving the translator.
However, this behavior simply helps to speed up the
transition on the driven side.
Table 1. Data Rate
CC_
4kΩ
I/O V
PATH
V
V
L
V
CC_
L
L
L
< 1.8
is powering up, up to 40mA current can be
≥ 1.8
TO I/O V
(V)
L_
PATH
GUARANTEED DATA RATE (Mbps)
Input Driver Requirements
L
side, without the device
V
I/O V
CC
100
80
CC
L_
CC
or I/O V
is floating
CC_
.
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