Datasheet

PCA24S08A_1 © NXP B.V. 2010. All rights reserved.
Product data sheet Rev. 01 — 19 January 2010 3 of 24
NXP Semiconductors
PCA24S08A
1024 × 8-bit CMOS EEPROM with access protection
4. Block diagram
5. Pinning information
5.1 Pinning
Fig 1. Block diagram
I
2
C-BUS CONTROL LOGIC
PCA24S08A
002aae786
V
SS
V
DD
EEPROM
8 PAGES
(8 × 128 BYTES EACH)
ACCESS
PROTECTION
IDENTIFICATION
NUMBER
ADDRESS
POINTER
BYTE LATCH
(8 BYTES)
BYTE
COUNTER
INPUT
FILTER
SDA
SCL
POWER-ON RESET
SEQUENCER
EE
CONTROL
TIMER
(÷ 16)
OSCILLATOR
DIVIDER
(÷ 128)
WP
PROT
Fig 2. Pin configuration for SO8 Fig 3. Pin configuration for TSSOP8
PCA24S08AD
n.c. V
DD
n.c. WP
SCL
V
SS
SDA
002aae784
1
2
3
4
6
5
8
7
PROT
PCA24S08ADP
n.c. V
DD
n.c. WP
PROT SCL
V
SS
SDA
002aae785
1
2
3
4
6
5
8
7