AT87F55WD-24JI Atmel, AT87F55WD-24JI Datasheet - Page 25
![IC MICRO CTRL 24MHZ 44PLCC](/photos/6/70/67043/453-44-plcc_sml.jpg)
AT87F55WD-24JI
Manufacturer Part Number
AT87F55WD-24JI
Description
IC MICRO CTRL 24MHZ 44PLCC
Manufacturer
Atmel
Series
87Fr
Datasheet
1.AT87F55WD-24AC.pdf
(26 pages)
Specifications of AT87F55WD-24JI
Core Processor
8051
Core Size
8-Bit
Speed
24MHz
Connectivity
UART/USART
Peripherals
WDT
Number Of I /o
32
Program Memory Size
20KB (20K x 8)
Program Memory Type
OTP Quick FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
AT87F55WD24JI
Packaging Information
25
0.20(.008)
0.09(.003)
44A, 44-lead, Thin (1.0 mm) Plastic Gull Wing Quad
Flat Package (TQFP)
Dimensions in Millimeters and (Inches)*
*Controlling dimension: millimeters
40P6, 40-pin, 0.600" Wide, Plastic Dual Inline
Package (PDIP)
Dimensions in Inches and (Millimeters)
JEDEC STANDARD MS-011 AC
0.80(0.031) BSC
SEATING
PLANE
PIN 1 ID
.220(5.59)
.161(4.09)
.125(3.18)
MAX
.012(.305)
.008(.203)
.110(2.79)
.090(2.29)
0
7
AT87F55WD
1.900(48.26) REF
0.75(0.030)
0.45(0.018)
.630(16.0)
.590(15.0)
2.07(52.6)
2.04(51.8)
.690(17.5)
.610(15.5)
.065(1.65)
.041(1.04)
0.15(0.006)
0.05(0.002)
10.10(0.394)
9.90(0.386)
12.21(0.478)
11.75(0.458)
15
0
PIN
REF
1
0.45(0.018)
0.30(0.012)
SQ
.022(.559)
.014(.356)
.566(14.4)
.530(13.5)
SQ
1.20(0.047) MAX
.090(2.29)
.005(.127)
.065(1.65)
.015(.381)
MAX
MIN
.032(.813)
.026(.660)
.050(1.27) TYP
44J, 44-lead, Plastic J-leaded Chip Carrier (PLCC)
Dimensions in Inches and (Millimeters)
.045(1.14) X 45°
PIN NO. 1
IDENTIFY
.500(12.7) REF SQ
.656(16.7)
.650(16.5)
.022(.559) X 45° MAX (3X)
.695(17.7)
.685(17.4)
.045(1.14) X 30° - 45°
SQ
SQ
.021(.533)
.013(.330)
.180(4.57)
.165(4.19)
.043(1.09)
.020(.508)
.120(3.05)
.090(2.29)
.012(.305)
.008(.203)
.630(16.0)
.590(15.0)