24C08 8 Kbit Eeprom - NEC DTE-29U1TH Service Manual

CURRENT
SOURCE
V
i(1),
1,2,3
V
i(2),
V
i(3)

4-6 24C08 8 Kbit EEPROM

features :
8 Kbit serial I2C bus EEPROM
Single supply voltage : 4.5 V to 5.5 V
1 Million Erase/Write cycles (minimum)
40 year data retention (minimum)
Pin description
Pin No. Name
1,2,3 E0, E1, E2
5 SDA
6 SCL
7 WC
8 Vcc
4 Vss
The memory device is compatible with the I2C memory standard. This is a two wire serial
interface that
uses a bi-directionnal data bus and serial clock. The memory carries a built-in- 4-bit unique
device type
identifier code (1010) in accordance with the I2C bus definition.
Serial Clock (SCL)
The SCL input is used to strobe all data in and out of the memory.
Serial Data (SDA)
The SDA pin is bi-directionnal, and is used to transfer data in or out of the memory
MIRROR 1
TDA6107Q
THERMAL
VIP
PROTECTION
REFERENCE
CIRCUIT
MIRROR 3
R
i
R a
3x
MIRROR 2
Description
Device address
Serial Data/Address Input/Output
Serial clock
Write contro
Supply voltage
Ground
MIRROR 5
CASCODE 1
3x 3 x
MIRROR 4
1x
R
f
DIFFERENTIAL
STAGE
CASCODE 2
-27-
Service Manual CP-785F
V
DD
6
V
oc(3),
9,8,7
V
1x
oc(2),
V
oc(1)
o(m)
4
MGK278