HCMS-3977 Avago Technologies US Inc., HCMS-3977 Datasheet - Page 12

• Manufacturer Part Number: HCMS-3977
• Description: LED DISPLAY 5X7 8CHAR 5MM GRN
• Manufacturer: Avago Technologies US Inc.
• Series: HCMS-39xxr

Specifications of HCMS-3977

• Display Type: Alphanumeric
• Millicandela Rating: *
• Internal Connection: *
• Size / Dimension: *
• Color: Green
• Configuration: *
• Voltage - Forward (vf) Typ: *
• Package / Case: 26-DIP
• Number Of Digits/alpha: 8
• Digit/alpha Size: 0.20" (5mm)
• Number Of Digits: 8
• Character Size: 2.54 mm x 4.57 mm
• Illumination Color: Green
• Wavelength: 574 nm
• Operating Voltage: 3.3 V
• Operating Current: 10 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Luminous Intensity: 1000 ucd
• Power Consumption: 1.532 W
• Viewing Area (w X H): 40.06 mm x 4.57 mm
• Common Pin: None
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

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Figure 6. Block diagram for HCMS-39xx.
REGISTER
ENABLE
DATA IN
SELECT
SELECT
BLANK
RESET
CHIP
OSC
OSC
CLK
L
H
D Q
(LATCHED)
÷8
OSCILLATOR
RS
PRESCALE
H
L
DATA IN
CLR
VALUE
H
H
L
L
RST
CONTROL
REFRESH
REGISTER
CONTROL
SER/PAR
MODE
PWM BRIGHTNESS
RS (LATCHED)
REFERENCE
CURRENT
DATA
CONTROL
OUT
H
GND (LED)
H
L
COLUMN 0
L
DO
0
CHAR 0
40 BIT
S.R.
x x x x
DATA OUT
DI
ANODE
x x x x x
DO
CHAR 1
40 BIT
S.R.
DI
CURRENT SOURCES
x x x x x
DO
CHAR 2
40 BIT
S.R.
DI
x x x x x
DO
CHAR 3
40 BIT
S.R.
COLUMN 19
DI
ROW 7
ROW 1
ROW 0 (NO LEDS)
DOT
REGISTER
BIT # 159
DOT
REGISTERS
AND
LATCHES
V LED +