upd4704 Renesas Electronics Corporation., upd4704 Datasheet - Page 9

• Manufacturer Part Number: upd4704
• Description: Extension 8-bit Up/down Counter Cmos Integrated Circuits
• Manufacturer: Renesas Electronics Corporation.

Consumption Current Measurement Circuit
AC Test Input Waveform
3 state output
Output
OE
V
V
IH
IL
V
DD
A
B
STB
OE
1.5 V
V
V
V
Timing measurement is performed at 1.5 V.
D
D
D
IH
IH
IL
0
1
7
= 0.8 V
= 2.6 V (RESET input)
= 2.2 V (inputs other than RESET)
t
1.5 V
1.5 V
DOECD
C
C
C
L
L
L
90 %
10 %
t
2.6 V
0.8 V
DFOECD
STB input connected to V
Load on all outputs, C
V
0 V
V
V
OH
DD
OL
Measurement Conditions
A, B inputs
f
IN
= 16 MHz
L
= 50 pF.
R = 1 k
C = 50 pF
Output
Output
DD
or OE input connected to V
R
V
R
DD
C
C
SS
.
PD4704
9