NAND16GAH0D datasheet(21/116 Pages) NUMONYX

21 / 116 page

NAND08GAH0A, NAND16GAH0D

MultiMediaCard interface

21/116

4.4

Electrical specifications

Table 6 defines the bus operating conditions for the device.

The total capacitance CL of each line of the bus is given by the below equation:

where CHOST is the bus master capacitance, CBUS the bus capacitance itself and CCARD the

capacitance of the device connected to this line. The sum of the host and bus capacitance,

CHOST+CBUS, must not to exceed 20 pF.

As the bus can be supplied with a variable supply voltage, all bus signal levels are related to

the supply voltage (see Figure 8, Table 7, and Table 8).

HOST

BUS

CARD

Table 6.

Bus operating conditions(1)(2)

Symbol

Parameter

Min

Max

Unit

Peak voltage on all lines

−0.5

3.6

Input leakage current on all inputs (before initialization sequence and/or

internal pull up resistors connected)(3)

−100

100

µA

Input leakage current on all inputs (after initialization sequence and/or internal

pull up resistors connected)(3)

−10

µA

Output leakage current on all outputs (before initialization sequence)

−100

100

µA

Output leakage current on all outputs (after initialization sequence)

−10

µA

VCCQ

Low supply-voltage range (MultiMediaCard v. 4.1)

1.65

1.95

High supply-voltage range

2.7

3.6

VCC

Input/output supply voltage

2.7

3.6

VSS

Supply voltage ground

−0.5

0.5

RDAT

Pull-up resistance (to prevent bus floating)

100

RCMD

Pull-up resistance (to prevent bus floating)

4.7

100

RINT

Internal pull up resistance DAT1-DAT7 (to prevent unconnected line floating)

150

Load resistance on VCC line after power-up or hot insertion

330

Load capacitance on VCC line after power-up or hot insertion

µF

Bus signal line capacitance

CCARD

Single card capacitance

Load capacitance on CMD input

TBD

Load capacitance on DAT input

TBD

Load capacitance on CLK input

TBD

Decoupling capacitance on VCCI input

Maximum signal line inductance (fPP ≤52 MHz)

The current consumption of the device for the different configurations is defined in the POWER_CLASS field of the

EXT_CSD register (see Section 8.4).

TBD stands for ‘to be defined’.

See Section 4.3: Power-up and power-down.

NAND16GAH0D Datasheet(PDF) 21 Page - Numonyx B.V

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