Datasheet

NT7603
9 V2.3
AC Characteristics (continued)
Read Cycle (V
DD
= 3.0V, GND = 0V, T
A
= 25
°
C)
Symbol Parameter Min. Typ. Max. Unit Conditions
tCYCE Enable Cycle Time 500 - - ns Figure 1
tWHE Enable "H" Level Pulse Width 300 - - ns Figure 1
tRE, tFE Enable Rising/Falling Time - - 25 ns Figure 1
t
AS
RS, R/W Setup Time 60
1
- - ns Figure 1
100
2
tAH RS, R/W Address Hold Time 10 - - ns Figure 1
tRD Read Data Output Delay - - 190 ns Figure 1
tDHR Read Data Hold Time 20 - - ns Figure 1
Write Cycle (V
DD = 3.0V, GND = 0V, TA = 25°C)
Symbol Parameter Min. Typ. Max. Unit Conditions
tCYCE Enable Cycle Time 500 - - ns Figure 2
tWHE Enable "H" Level Pulse Width 300 - - ns Figure 2
t
RE
, t
FE
Enable Rising/Falling Time - - 25 ns Figure 2
t
AS
RS, R/W Setup Time 60
1
- - ns Figure 2
100
2
tAH RS, R/W Address Hold Time 10 - - ns Figure 2
tDS Data Output Delay 150 - - ns Figure 2
tDHW Data Hold Time 10 - - ns Figure 2
Notes: 1: 8-bit operation mode
2: 4-bit operation mode
Power Supply Conditions Using Internal Reset Circuit
(VDD = 3.0V, GND = 0V, TA = 25
°
C)
Symbol Parameter Min. Typ. Max. Unit Conditions
tRON Power Supply Rising Time 0.1 - 10 ms Figure 3
tOFF Power Supply OFF Time 1 - - ms Figure 3