DIO74506

Version 1.0, May 2026

www.dioo.com

© 2026 Dioo Microcircuits Co., Ltd. Jiangsu

6

IO = 4 mA; VI = VIL (host side);

VCCB = 2.7 V

0.125 × VCCB

V

Current consumption

ICC

Supply current

VCCAcurrent; CLKA, CMDA and

DATnA = High; VI = VCCA;

VCCA = 1.95 V; VCCB = 3.6 V

4

μA

VCCB current; CLKA, CMDA and

DATnA = High; VI = VCCA;

VCCA= 1.7 V; VCCB = 1.7 V

7

μA

VCCB current; CLKA, CMDA and

DATnA = High; VI = VCCA;

VCCA = 1.95 V; VCCB = 3.6 V

20

μA

Note:

(1) Guaranteed by design.

(2) Specifications subject to change without notice.

5.2. Dynamic characteristics

TA = -40°C to 85°C, VCCA = 1.1 V to 1.95 V, VCCB = 1.7 V to 3.6 V. Typical values are at TA = 25°C, unless

otherwise noted.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Host-side output transition times

tt

Transition time

VCCA = 1.2 V to 1.8 V;(1) output

transition time between VX =

0.35VCCA and VY = 0.65VCCA

0.4

1.0

ns

Card-side output transition times

tt

Transition time

VCCB = 1.8 V;(1) output transition

time between VX = 0.45 V and

VY = 1.4 V

0.4

0.88

1.32

ns

Host-side to card-side propagation delay; DATnA to DATnB, CMDA to CMDB and CLKA to CLKB

tpd

Propagation delay

VCCA = 1.2 V; VCCB = 1.8 V(2)

3.1

5.4

ns

VCCA = 1.2 V; VCCB = 3.3 V(2)

2.2

4.0

ns

VCCA = 1.8 V; VCCB = 1.8 V(2)

2.7

4.8

ns

VCCA = 1.8 V; VCCB = 3.3 V(2)

1.7

3.1

ns

tsk(o)

Output skew time

VCCA = 1.2 V; VCCB = 1.8 V

200

ps

VCCA = 1.2 V; VCCB = 3.3 V

200

ps

VCCA = 1.8 V; VCCB = 1.8 V

200

ps

VCCA = 1.8 V; VCCB = 3.3 V

200

ps