6.2 DC characteristics
Measurements are at Recommended Operating Conditions unless otherwise specified.
Table 13: DC Characteristics
Symbol
Parameter
min
typ
max
unit
notes
Peak Voltage on all Lines
-0.3
VDD+0.3
V
VIL
VIH
Input LOW Voltage
Input HIGH Voltage
-0.3
0.625*VDD
0.25*VDD
VDD+0.3
V
V
VOL
VOH
IDD
Output LOW Voltage
Output HIGH Voltage
Operating Current
Pre-initialization Standby Current
Post-initialization Standby Current
0.75*VDD
35
100
0.125*VDD
50
3
200
V
V
mA
mA
μA
at 100μA
at 100μA
ILI
ILO
Input Leakage Current
Output Leakage Current
-10
-10
10
10
μA
μA
without
pull up R
Table 14: MICRO SD Memory Card Recommended Operating Conditions
Symbol
Parameter
Normal Operating Status
min
2.7
typ
max
3.6
unit
V
VDD
Supply Voltage
Basic Communication
(CMD0, CMD15, CMD55, ACMD41)
2.0
3.3
3.6
V
-
Power Up Time (from 0V to VDD min)
250
ms
6.3 Signal Loading
The total capacitance C L is the sum of the bus master capacitance C HOST , the bus capacitance C BUS , and the
capacitance C CARD of the card connected to the line:
C L = C HOST + C BUS + C CARD
To allow the sum of the host and bus capacitances to be up to 20pF for the card, the following conditions in the
table below are met by the card.
Table 15: Signal loading
Parameter
Pull up resistance
Pull up resistance
Bus signal line capacitance
Signal card capacitance
Signal line inductance
Symbol
R CMD
R DAT
C L
C card
Min
10
10
Max
100
100
40
10
16
Unit
kOhm
kOhm
pF
pF
nH
Notes
To prevent bus floating
To prevent bus floating
Single card
Single card
f ≤ 20MHz
Swissbit AG
Industriestrasse 4
Swissbit reserves the right to change products or specifications without notice.
Revision: 1.00
CH-9552 Bronschhofen
Switzerland
www.swissbit.com
info@swissbit.com
S-200u_data_sheet_SD-NxBN_Rev102
Page 9 of 23
相关PDF资料
SFSD2048L1BN2TO-I-DF-151-STD FLASH SECURE DGTL CARD SD 2G
SFSD4096L1BN2TO-I-Q2-141-STD FLASH SECURE DGTL CARD SDHC 4G
SFSD8192N1BW1MT-E-QG-111-STD FLASH MICRO SD 8GB EXT TEMP
SFUI4096J1BP2TO-I-DT-211-STD FLASH DRIVE USB MODULE U-110 4G
SGN08G64B3BB2SA-CCWRT SDRAM DDR3 8GB 204 SO-DIMM
SGN08G72G1BB2SA-CCWRT SDRAM DDR3 8GB 204 SO-UDIMM
SGP1200-12G FRONT END AC/DC 1133W 12V
SL05.TCT TVS ARRAY DATA INTFC SOT-23
相关代理商/技术参数
SFSD1024N1BN1TO-I-DF-161-STD 制造商:SWISSBIT NA INC 功能描述:FLASH
SFSD-10-28C-F-20.00-DR-NDX 制造商:Samtec Inc 功能描述:.050 SOCKET DISCRETE CABLE ASSEMBLY - Bulk
SFSD-10-28C-G-03.00-S 制造商:Samtec Inc 功能描述:.050 SOCKET DISCRETE CABLE ASSEMBLY - Bulk
SFSD-10-28C-G-06.00-S 制造商:Samtec Inc 功能描述:.050 SOCKET DISCRETE CABLE ASSEMBLY - Bulk
SFSD-10-28C-G-07.00-S 制造商:Samtec Inc 功能描述:.050 SOCKET DISCRETE CABLE ASSEMBLY - Bulk
SFSD-10-28C-G-12.00-S 制造商:Samtec Inc 功能描述:.050 SOCKET DISCRETE CABLE ASSEMBLY - Bulk
SFSD-10-28C-G-12.00-SR 制造商:Samtec Inc 功能描述:.050 SOCKET DISCRETE CABLE ASSEMBLY - Bulk
SFSD-10-28C-G-12.50-DL-NDX 制造商:Samtec Inc 功能描述:.050 SOCKET DISCRETE CABLE ASSEMBLY - Bulk