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参数资料
| 型号： | PCB2421T |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | PROM |
| 英文描述： | 1K dual mode serial EEPROM |
| 中文描述： | 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8 |
| 封装： | 3.90 MM, PLASTIC, MS-012AA, SOT-96-1, SOP-8 |
| 文件页数： | 4/24页 |
| 文件大小： | 112K |
| 代理商： | PCB2421T |
1997 Apr 01
4
Philips Semiconductors
Preliminary specification
1K dual mode serial EEPROM
PCB2421
4
BLOCK DIAGRAM
Fig.1 Block diagram.
(1) Factory use only.
book, full pagewidth
MBG271
I/O
CONTROL
LOGIC
5
SDA
SCL
VCLK
WP
MEMORY
CONTROL
LOGIC
X
DECODER
HV GENERATOR
PAGE LATCHES
EEPROM
ARRAY
Y
DECODER
SENSE AMPLIFIER
R/W CONTROL
PCB2421
n.c.
TEST
(1)
3
6
7
1
2
4
8
VSS
VDD
5
PINNING
SYMBOL PIN
DESCRIPTION
TEST
1
factory use only: must be tied to V
DD
;
may not be left open-circuit
may be tied to V
SS
, V
DD
, or left
open-circuit
write protect input (LOW = write
protected, HIGH = not write protected);
may not be left open-circuit
ground
serial data input/output
serial clock input/output (DDC2B)
serial clock input (transmit-only mode,
DDC1)
supply voltage
n.c.
2
WP
3
V
SS
SDA
SCL
VCLK
4
5
6
7
V
DD
8
Fig.2 Pin configuration.
handbook, halfpage
1
2
3
4
8
7
6
5
MBG272
PCB2421
TEST
VDD
n.c.
VCLK
WP
SCL
VSS
SDA
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