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PDF ST6G3240 Data sheet ( Hoja de datos )
| Número de pieza | ST6G3240 | |
| Descripción | Dual supply level translator | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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ST6G3240
Dual supply level translator for dual memory cards
(mini SD/micro SD + managed NAND)
Features
■ High speed: tPD (A to B) = 5 ns at TA = 85 °C
with VCCA = 1.8 V, VCCBn = 3.0 V
■ Low power dissipation: ICCA = ICCBn = 5 µA
(max.) at TA = 85 °C
■ Balanced propagation delays: tPLH ≈ tPHL
■ Operating voltage range:
– VCCA (opr) = 1.4 to 3.6 V
– VCCBn (opr) = 1.4 to 3.6 V
■ B-side power supplies (VCCB1 and VCCB2) can
be different and separately controlled
■ Interchangeable voltage levels:
VCCA can either be greater than or less than
VCCBn
■ Low power mode:
when VCCBn is grounded or floating, there is
very low quiescent current on VCCA
■ Power down detection:
when either one of the B-side power supplies
(VCCB1 and VCCB2) is grounded or floating, the
corresponding port-n goes into high-Z state
automatically
■ Latch-up performance exceeds 500 mA
(JESD17)
■ ESD protection: 2 kV HBM
■ Integrated pull-up resistor and level translator
on the MS_Insert pin
■ Integrated pull-up resistor for card-detect pin
μTFBGA 36
Description
The ST6G3240 is a dual supply low voltage
CMOS level translator supporting the dual
function of mini SD/micro SD card and managed
NAND memories. It is designed for use as an
interface between three systems using 3.3, 2.5
and 1.8 V respectively.
The ST6G3240 is capable of achieving high
speed operation and at the same time maintaining
low power dissipation.
While the A port is designed to track VCCA, the Bn
port (nCMD, nDAT, nCLK) is designed to track
VCCBn.
The device is intended for a two-way
asynchronous communication between data
buses.
Table 1. Device summary
Order code
ST6G3240TBR
Package
μTFBGA36 (3.6 x 3.6 mm)
Packing
Tape and reel
April 2008
Rev 2
1/29
www.st.com
29
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1 page  
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ST6G3240
Pin settings
2.2 Pin description
Table 3. Pin description
Pin
Type
Side
A1 - A
A2 - -
A3 I A
A4 - A
A5 - -
A6 - B1
B1 I/O A
B2 I A
B3 I A
B4 I/O B1
B5 I/O B1
B6 I/O B2
C1 I/O A
C2 I A
C3 - -
C4 I/O B2
C5 I/O B1
C6 I/O B2
D1 I/O A
D2 I A
D3 - -
D4 -
D5 I/O B1
Symbol
Name and function
VCCA
GND
IN1
CD
GND
VCCB1
CMD.h
A-side power supply
Ground (0 V)
Output enable pin. Functions together
with IN2 pin. Refer to truth table for more
information on the settings
Card detect pin with 100 kΩ internal pull-
up resistor on the A-side
Ground (0 V)
B1-side power supply
Command pin for A-side
CMD-dir
IN2
Command direction pin
HIGH => CMD.h input, nCMD output
LOW => CMD.h output, nCMD input
Output enable pin. Functions together
with IN1 pin. Refer to truth table for more
information on the settings
1CMD
1DAT0
2DAT0
DAT0.h
DAT0-dir
GND
2CMD
1DAT1
Command pin for B1-side
Data0 pin for B1-side
Data0 pin for B2-side
Data0 pin for A-side
Data direction pin for DAT0
HIGH => DAT0.h input, nDAT0 output
LOW => DAT0.h output, nDAT0 input
Ground (0 V)
Command pin for B2-side
Data1 pin for B1-side
2DAT1 Data1 pin for B2-side
DAT1.h Data1 pin for A-side
DAT123-dir
Data direction pin for DAT1-DAT3
HIGH => DAT123.h input, nDAT123
output
LOW => DAT123.h output, nDAT123
input
GND
GND
1DAT2
Ground (0 V)
Ground (0 V)
Data2 pin for B1-side
5/29
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ST6G3240
5 Electrical characteristics
Electrical characteristics
Table 8.
DC specifications for VCCA
Test conditions
Value
Symbol Parameter
VCCA
(V)
VCCB
(V)
TA = 25 °C
Min Max
1.4 −1.95
VIH
High level
input voltage
1.95 − 2.7
1.4 −3.6
2.7 − 3.6
0.65
VCCA
1.7
2.0
1.4 − 1.95
VIL
Low level
input voltage
1.95 − 2.7
1.4 − 3.6
2.7 − 3.6
1.4 − 3.6
IOH = -100 µA VCCA-0.1
High level
VOH output
voltage
1.4
1.65
2.7
IOH = -1 mA
1.4 − 3.6 IOH = -2 mA
IOH = -4 mA
1.20
1.40
2.30
3
IOH = -8 mA
2.45
3.6
1.4 − 3.6
IOH = -8 mA
IOL = 100µA
3.05
Low level
VOL output
voltage
1.4
1.65
2.7
IOL = 1 mA
1.4 − 3.6 IOL = 2 mA
IOL = 4 mA
3 IOL = 8 mA
3.6 IOL = 8 mA
Input
IIA
leakage
current per
1.4 − 3.6
1.4 − 3.6
VIA = VCCA or
GND
input channel
Input
IDIR
leakage
current per
control input
1.4 − 3.6
1.4 − 3.6
VDIR = VCCA
or GND
(DIR)
0.35
VCCA
0.7
0.8
0.10
0.20
0.25
0.40
0.55
0.55
±0.5
±0.1
-40 to 85 °C
Min
0.65
VCCA
1.7
2.0
VCCA-0.1
1.20
1.40
2.30
2.45
3.05
Max
0.35
VCCA
0.7
0.8
0.10
0.20
0.25
0.40
0.55
0.55
±5
±2
Unit
V
V
V
V
µA
µA
11/29
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