ICL7104 Intersil, ICL7104 Datasheet - Page 9

• Manufacturer Part Number: ICL7104
• Description: 14-Bit/16-Bit/ Microprocessor- Compatible/ 2-Chip/ A/D Converter
• Manufacturer: Intersil

HIGH BYTE
LOW BYTE
AS INPUT
AS INPUT
AS INPUT
AS INPUT
8052A/
8068A
ENABLE
ENABLE
MIDDLE
CE/LD
MBEN
HBEN
LBEN
BYTE
DATA
MODE
HBEN MBEN LBEN
CONTROL
7104
CE/LD
t
DAB
CONVERT
= HIGH IMPEDANCE
R/H
MSB
POL
LSB
OR
t
VALID
BEA
DATA
8052A/
8068A
2
8
8
FIGURE 3. VARIOUS COMBINATIONS OF BYTE DISABLES
ICL8052/ICL7104, ICL8068/ICL7104
FIGURE 2. FULL 18-BIT THREE-STATE OUTPUT
MODE
CE/LD HBEN MBEN LBEN
FIGURE 4. DIRECT MODE TIMING DIAGRAM
t
DHB
8052A/
8068A
7104 -16
MODE
HBEN MBEN LBEN
CONTROL
CONVERT
CONTROL
7104
CE/LD
R/H
5-14
MSB
POL
LSB
OR
CONVERT
R/H
MSB
POL
LSB
18
OR
VALID
DATA
2
16
OR CHIP SELECT 2
CHIP SELECT 1
18
8052A/
8068A
t
DAC
MODE
HBEN MBEN LBEN
CONTROL
7104
t
CE/LD
CEA
VALID
VALID
VALID
DATA
DATA
DATA
CONVERT
R/H
MSB
POL
LSB
OR
t
10
DHC
8