Datasheet PI4ULS3V4857 (Diodes) - 8

A product Line of Diodes Incorporated
PI4ULS3V4857 Level Translator Dynamic Characteristics
At recommended operating conditions; VCCA = 1.2V; Tamb = 25oC; unless otherwise specified.
Symbol Parameter Conditions Min. Typ. Max. Units Host Side Transition Times
t (1) r Rise time SEL = HIGH (1.8V card interface); 0.4 1.0 ns V t CCA = 1.8V f Fall time (1) 0.4 1.0 ns t (1) r Rise time SEL = HIGH (1.8V card interface); 0.4 1.0 ns V t CCA = 1.2V f Fall time (1) 0.4 1.0 ns
Card Side Transition Times
tr Rise time SEL = HIGH (1.8V card interface); 0.4(2) 0.88 1.32 ns -40oC ≤ T t amb ≤ +85oC f Fall time 0.4(2) 0.88 1.32 ns
Card Input Transition Times
tr Rise time SEL = HIGH (1.8 V card interface); 0.2(3) 0.5 0.96 ns -40oC ≤ T t amb ≤ +85oC f Fall time 0.2(3) 0.45 0.96 ns
Host to Card Propagation Delay
-
DATxA to DATxB, CMDA to CMDB, CLKA to CLKB
tpd Propagation delay SEL = HIGH (1.8V card interface); VCCA = 1.2V 3.0 5.5 ns
Host to Card Propagation Delay
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CLKA to CLK_FB
tpd Propagation delay SEL = HIGH (1.8V card interface); VCCA = 1.2V 5.5 10 ns
Card to Host Propagation Delay
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DATxB to DATxA, CMDB to CMDA
tpd Propagation delay SEL = HIGH (1.8V card interface); VCCA = 1.2V 2.5 4.5 ns Note: 1. Transition between VOL = 0.35 * VCCA and VOH = 0.65 * VCCA 2. Transition between VOL = 0.45V and VOH = 1.4V 3. Guaranteed by design; transition between VIL = 0.58V and VIH = 1.27V with Ctrace = 3.5 pF and Ccard+CRADLE = 12pF, trace length = 11mm VCC VOH VOL GND tf VOL tf VOH
Figure 3. Output Rise and Fall Times
PI4ULS3V4857 www.diodes.com August 2020 Document Number DS42310 Rev 2-2 8 Diodes Incorporated