IEE 03875-21-0114, Справочное руководство

Страница: 13 / 22

Industrial Electronic Engineers, Inc.
SIZE
A
CODE IDENT NO.
05464
S03875–21–0114
Van Nuys, California Scale: NONE Rev A Sheet 13
4.3 Electrical Characteristics (V
CC
= 5V ±10%)
Item Symbol Condition Min Max Unit
Input "High" Voltage V
IH
2.2 V
CC
V
Input "Low" Voltage V
IL
–0.3 0.6 V
Output "High" Voltage (TTL) V
OH1
I
OH
= 0.205 mA 2.4 – V
Output "Low" Voltage (TTL) V
OL1
I
OL
= 1.200 mA – 0.4 V
Output "High" Voltage (CMOS) V
OH2
I
OH
= 0.040 mA 0.9 V
CC
– V
Output "Low" Voltage (CMOS) V
OL2
I
OL
= 0.040 mA – 0.1 V
CC
V
Input Leakage Current I
IL
V
IN
= 0 to V
CC
– 0.001 mA
Supply Current (logic) I
CC
12 20 mA
Supply Current (Backlight) I
BL
VBL = 5.5 V
DC
1.0 A
4.4 Timing Characteristics
Write Operation (Refer to Figure 11)
Item Symbol Min Max Unit
Enable Cycle Time t
CYC
1000 – ns
Enable Pulse Width "High Level" PW
EH
450 – ns
Enable Rise/Fall Time t
Er
, t
Ef
– 25 ns
Address Set–up Time RS,R/W t
AS
140 – ns
Address Hold Time t
AH
10 – ns
Data Set–up Time t
DSW
195 – ns
Data Hold Time tH 10 – ns
Read Operation (Refer to Figure 12)
Item Symbol Min Max Unit
Enable Cycle Time t
CYC
1000 – ns
Enable Pulse Width "High Level" PW
EH
450 – ns
Enable Rise/Fall Time t
Er
, t
Ef
– 25 ns
Address Set–up Time RS,R/W t
AS
140 – ns
Address Hold Time t
AH
10 – ns
Data Delay Time t
DDR
– 320 ns
Data Hold Time tDHR 20 – ns