Cypress CY7C1399B Computer Hardware User Manual


 
CY7C1399B
Document #: 38-05071 Rev. *A Page 3 of 10
Electrical Characteristics Over the Operating Range (continued)
1399B-15 1399B-20
Parameter Description Test Conditions Min. Max. Min. Max. Unit
V
OH
Output HIGH Voltage V
CC
= Min., I
OH
= 2.0 mA 2.4 2.4 V
V
OL
Output LOW Voltage V
CC
= Min., I
OL
= 4.0 mA 0.4 0.4 V
V
IH
Input HIGH Voltage 2.2 V
CC
+0.3V
2.2 V
CC
+0.3V
V
V
IL
Input LOW Voltage 0.3 0.8 0.3 0.8 V
I
IX
Input Load Current 1 +1 1 +1 µA
I
OZ
Output Leakage Current GND V
I
V
CC
,
Output Disabled
5 +5 5 +5 µA
I
OS
Output Short Circuit
Current
[2]
V
CC
= Max., V
OUT
= GND 300 300 mA
I
CC
V
CC
Operating
Supply Current
V
CC
= Max., I
OUT
= 0 mA,
f = f
MAX
= 1/t
RC
50 45 mA
I
SB1
Automatic CE Power-Down
Current TTL Inputs
Max. V
CC
, CE V
IH
,
V
IN
V
IH
, or V
IN
V
IL
,
f = f
MAX
5 5 mA
L 4 4 mA
I
SB2
Automatic CE Power-Down
Current CMOS Inputs
[3]
Max. V
CC
, CE V
CC
0.3V, V
IN
V
CC
0.3V, or V
IN
0.3V,
WEV
CC
0.3V or WE 0.3V,
f=f
MAX
500 500 µA
L 50 50 µA
Capacitance
[4]
Parameter Description Test Conditions Max. Unit
C
IN
: Addresses Input Capacitance T
A
= 25°C, f = 1 MHz, V
CC
= 3.3V 5 pF
C
IN
: Controls 6 pF
C
OUT
Output Capacitance 6 pF
AC Test Loads and Waveforms
Note:
4. Tested initially and after any design or process changes that may affect these parameters.
3.0V
3.3V
OUTPUT
R1 317
R2
351
C
L
INCLUDING
JIG AND
SCOPE
GND
90%
10%
90%
10%
3ns
3 ns
OUTPUT 1.73V
Equivalent to: THÉVENIN EQUIVALENT
ALL INPUT PULSES
167