HD4074344 Datasheet, PDF (5/100 Pages) Hitachi Semiconductor – 4-bit microcomputers

HD404344R Series/HD404394 Series
List of Functions (cont)
Mask ROM
ZTAT™
item
HCD40C4344R HD4074344
Operating voltage (V)
2.7 to 5.5
2.7 to 5.5
Instruction cycle time (typ.) 2 µs
(R_f = 20 kΩ)
ROM (Words)
4,096
1 µs
(f_osc = 4.0 MHz)
4,096 PROM
RAM (Digits)
256
256
I/O
22
22
High-current 10
10
I/O pins (Sink
15 mA max)
Timer
Free running 2
2
functions timer
Reload timer 2
2
Event counter 1
1
Watchdog
1
1
timer
Serial interface
1
1
A/D converter
8bit × 4ch
8bit × 4ch
Interrupt External
1
1
Internal
4
4
Low-power modes
2
2
Stop mode l
l
l Standby mode
l
Oscillator Ceramic
—
l
oscillation
l RC oscillation
—
Package
Chip
DP-28S
FP-28DA
FP-30D
Guaranteed operation
+75
temperature (°C)
–20 to +75
5