Marantz PM6005 Service Manual page 40

(off state)
Current drain
Equivalent Circuit Block Diagrams
LC78212 (U3501)
Features
Low-voltage and Standard-voltage Operation
1.8 (V = 1.8V to 5.5V)
CC
Internally Organized 512 x 8 (4K), or 1024 x 8 (8K)
Two-wire Serial Interface
Schmitt Trigger, Filtered Inputs for Noise Suppression
Bidirectional Data Transfer Protocol
1 MHz (5V), 400 kHz (1.8V, 2.5V, 2.7V) Compatibility
Write Protect Pin for Hardware Data Protection
16-byte Page (4K, 8K) Write Modes
Partial Page Writes Allowed
Self-timed Write Cycle (5 ms max)
High-reliability
Endurance: 1 Million Write Cycles
Data Retention: 100 Years
8-ball dBGA2
8-lead PDIP, 8-lead JEDEC SOIC, 8-lead Ultra-Thin Mini-MAP (MLP 2x3), 5-lead
A0 V A0
1 8 1
CC
SOT23, 8-lead TSSOP and 8-ball dBGA2 Packages
A1 WP A1
2 7 2
3 A2 SCL A2
6 3
Lead-free/Halogen-free
4 GND SDA GND
5 4
Die Sales: Wafer Form and Tape and Reel
Bottom View
U1003 AT24C04BN
8-lead SOIC
Description
V A0 V
8
1 8
CC
The AT24C04B/08B provides 4096/8192 bits of serial electrically erasable and
WP A1 WP
7
2 7
SCL A2 SCL
6 programmable read-only memory (EEPROM) organized as 512/1024 words of 8 bits 3 6
SDA GND SDA
5 4 5
each. The device is optimized for use in many industrial and commercial applications
where low-power and low-voltage operation are essential. The AT24C04B/08B is
available in space-saving 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead Ultra-Thin Mini-
8-lead PDIP
MAP (MLP 2x3), 5-lead SOT23, 8-lead TSSOP, and 8-ball dBGA2 packages and is
V
A0 8
1
WP
CC
5
accessed via a Two-wire serial interface. In addition, the AT24C04B/08B is available in
WP
A1 7
2
6 SCL
1.8V (1.8V to 5.5V) version. A2 3
V
5 SDA
4 GND 4
CC
Figure 1. Pin Configurations
Pin Name
A0 – A2 Address Inputs
SDA Serial Data
SCL Serial Clock Input
WP Write Protect
NC No Connect
GND Ground
V Power Supply
CC
Note: For use of 5-lead SOT23
4K: The software A2 and A1 bits in the
device address word must be set to zero
to properly communicate.
8K: The software A2 bit in the device
address word must be set to zero to
properly communicate.
Two-wire
I L1 to L8, R1 to R8, LCOM1 to LCOM4,
OFF
RCOM1 to RCOM4
Serial EEPROM
I V
DD DD
4K (512 x 8)
8K (1024 x 8)
AT24C04B
AT24C08B
Not Recommended
for New Design.
Replaced by
AT24C04C or
Absolute Maximum Ratings
AT24C08C.
Figure 2.
CC
GND
SDA
Description
AT24C04B/08B
2
Operating Temperature .......................... 55°C to +125°C
Storage Temperature ........................... 65°C to + 150°C
Voltage on Any Pin with
Respect to Ground .................................. 0.1V to +7.0V
Maximum Operating Voltage ................................... 6.25V
DC Output Current ................................................ 5.0 mA
Block Diagram
V
CC
WP
START
SCL
STOP
LOGIC
LOAD
DEVICE
ADDRESS
COMPARATOR
A
2
A
R/W
8-lead Ultra-Thin
1
A
Mini-MAP (MLP 2x3)
0
5226G–SEEPR–11/09
V A0 V
8 1
CC
WP A1 WP
7 2
SCL 6 3 A2 SCL
SDA 5 4 GND SDA
Bottom View
8-lead TSSOP
D
IN
A0 V A0
1 8
CC
A1 WP A1
2 7
D
OUT
A2 SCL A2
3 6
GND SDA GND
4 5
5-lead SOT23
A0
SCL WP
1 5
A1
GND
2
A2
SDA V
3 4 GND
CC
40
–10 +10
1.0
Two-wire
Serial EEPROM
*NOTICE: Stresses beyond those listed under "Absolute
4K (512 x 8)
8K (1024 x 8)
AT24C04B
AT24C08B
Continued on next page.
Not Recommended
No. 4817-3/6
for New Design.
Replaced by
SERIAL
EN
AT24C04C or
CONTROL
LOGIC
AT24C08C.
COMP
LOAD
INC
DATA WORD
ADDR/COUNTER
8-ball dBGA2
A0
8 1
CC
A1
7 2
A2
6 3
Y DEC
GND
5 4
Bottom View
8-lead SOIC
V
1 8
CC
WP
2 7
SCL
3 6
SDA
4 5
8-lead PDIP
V
8
1
CC
WP
7
2
6 SCL
3
5 SDA
4
µA
mA
Maximum Ratings" may cause permanent
damage to the device. This is a stress rating
only and functional operation of the device at
these or any other condition beyond those
indicated in the operational sections of this
specification is not implied. Exposure to
absolute maximum rating conditions
extended periods may affect device reliability.
H.V. PUMP/TIMING
DATA RECOVERY
EEPROM
SERIAL MUX
D /ACK
OUT
LOGIC
5226G–SEEPR–11/09
for
5226G–SEEPR–11/09