DIO74557

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© 2024 Dioo Microcircuits Co.,Ltd. Jiangsu

DIO74557• Rev. 1.5

- 6 -

RST_SIM

42

Ω

CLK_SIM

42

Ω

Cio[1]

Input/Output capacitance

IO_SIM

10

pF

RST_SIM

10

pF

CLK_SIM

10

pF

Note:

[1] Guaranteed by design.

[2] Specifications subject to change without notice.

Dynamic Characteristics

1.65 V ≤ VCCB ≤ 3.6 V; 1.08 V ≤ VCCA ≤ 1.95 V; fclk = fio = 1 MHz; TA = -40 °C to +85 °C; typical values are at 25°C, unless otherwise

specified.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VCCA = 1.8 V; VCCB = 3.0 V; SIM card CL ≤ 30 pF; host CL ≤ 10 pF

tPD

Propagation delay

(See Figure 2)

I/O channel; SIM card side to host side

12

ns

All channels; host side to SIM card side

10

ns

tt

Transition time

(See Figure 2)

I/O channel; SIM card side to host side

7

ns

All channels; host side to SIM card side

4

ns

tsk(o)

Output skew time

Between channels IO_SIM and CLK_SIM

2

ns

fclk

Clock frequency

CLK_SIM

10

MHz

VCCA = 1.2 V; VCCB = 1.8 V; SIM card CL ≤ 30 pF; host CL ≤ 10 pF

tPD

Propagation delay

(See Figure 2)

I/O channel; SIM card side to host side

16

ns

All channels; host side to SIM card side

15

ns

tt

Transition time

(See Figure 2)

I/O channel; SIM card side to host side

7

ns

All channels; host side to SIM card side

4

ns

tsk(o)

Output skew time

Between channels IO_SIM and CLK_SIM

2

ns

fCLK

Clock frequency

CLK_SIM

10

MHz

Note: Specifications subject to change without notice.

Figure 2. Data input to data output propagation delay times

Note: VOL and VOH are typical output voltage levels that occur with the output load. tPHL and tPLH are tPD propagation delay; tTHL and tTLH

are the transition time.