Cypress CY7C1399B Manual De Usuario
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
µ
A
I
OZ
Output Leakage Current
GND
≤
V
I
≤
V
CC
,
Output Disabled
–5
+5
–5
+5
µ
A
I
OS
Output Short Circuit
Current
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
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
Current — CMOS Inputs
[3]
Max. V
CC
, CE
≥
V
CC
–0.3V, V
IN
≥
V
CC
– 0.3V, or V
IN
≤
0.3V,
WE
≥
V
CC
–0.3V or WE
≤
0.3V,
f=f
MAX
500
500
µ
A
L
50
50
µ
A
Capacitance
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
Ω
R2
351
351
Ω
C
L
INCLUDING
JIG AND
SCOPE
GND
90%
10%
90%
10%
≤
3 ns
≤
3 ns
OUTPUT
1.73V
Equivalent to:
THÉVENIN EQUIVALENT
ALL INPUT PULSES
167
Ω