Daewoo 2898ST, Service Manual

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1 7
CAT24C08P (E
2
PROM)
(1) Typical Features
• IC Bus compatible
• Low power CMOS Technology
• 16 Byte page write Buffer
• Self-Timed Write cycle with Auto-Clear
• 100,000 program/Erase cycles
• 100 Year Data Retention
• Optional High Endurance Device Available
(2) Description
The CAT24C08P is a 8K bit serial CMOS E
2
PROM internally organized as 1024x8bits.
The CAT 24C08P features a 16 byte page write
buffer.
(3) Block Diagram
(4) Pin Description
PIN SYMBOL DESCRIPTION
1-3 A0, A1, A2 Device Address lnputs
4 Vss Ground
5 SDA Serial Data/Address
6 SCL Serial Clock
7 TEST Connect to Vss
8 Vcc +5V Power supply
Vcc
Vgg
SDA
TEST
SEL
A
0
A
1
A
2
D OUT
AKC
SENSE AMPS
SHIFT REGISTERS
WORD ADDRESS
BUFFERS
COLUMN
DECODERS
XDEC 64
2
START/STOP
LOGIC
CONTROL
LOGIC
DATE IN STORAGE
HIGH VOLTAGE/
TIMING CONTROL
STATE COUNTERS
SLAVE
ADDRESS
COMPARATORS
EXTERNAL