ICM7216A Datasheet, PDF (3/17 Pages) Intersil Corporation – 8-Digit, Multi-Function, Frequency Counters/Timers

ICM7216A, ICM7216B, ICM7216D
Functional Block Diagram
EXT
OSC
INPUT
OSC
INPUT
OSC
OUTPUT
OSC
SELECT
3
REFERENCE
COUNTER
÷ 10³
8
DECODER
DIGIT
DRIVERS
8
DIGIT
OUTPUTS
(8)
RESET
INPUT
INPUT A
INPUT B
(NOTE 1)
INPUT
CONTROL
LOGIC
INPUT
CONTROL
LOGIC
÷ ÷ ^{104 OR 105 100Hz}
RANGE SELECT
LOGIC
STORE AND
RESET LOGIC
RANGE
CONTROL
LOGIC
RANGE
INPUT
5
EN
÷ 10^3MCAOIUNNTER
CL
OVERFLOW
4 444 44 44
DATA LATCHES AND
OUTPUT MUX
STORE
Q
D
CL
MAIN
FF
CONTROL
6
LOGIC
CONTROL
INPUT
DP
LOGIC
EXT
DP
INPUT
(NOTE 2)
DECODER
SEGMENT
4
LOGIC 7
DRIVER ₈
SEGMENT
OUTPUTS
(8)
MEASUREMENT
IN PROGRESS
OUTPUT
(NOTE 2)
FUNCTION
INPUT
(NOTE 1)
FN
CONTROL
LOGIC
6
HOLD
INPUT
NOTES:
1. Function input and input B available on ICM7216A/B only.
2. Ext DP input and MEASUREMENT IN PROGRESS output available on ICM7216D only.
9-12