CY7C401-15DMB Cypress Semiconductor Corp, CY7C401-15DMB Datasheet - Page 3

• Manufacturer Part Number: CY7C401-15DMB
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C401-15DMB

• Density: 256Kb
• Word Size: 4b
• Sync/async: Asynchronous
• Expandable: Yes
• Package Type: DIP
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temp Range: -55C to 125C
• Operating Temperature Classification: Military
• Mounting: Through Hole
• Pin Count: 16
• Lead Free Status / Rohs Status: Not Compliant

AC Test Loads and Waveforms
Switching Characteristics
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Notes:
Parameter
10. t
11. All data outputs will be at LOW level after reset goes HIGH until data is entered into the FIFO.
12. HIGH-Z transitions are referenced to the steady-state V
O
PHSI
PLSI
SSI
HSI
DLIR
DHIR
PHSO
PLSO
DLOR
DHOR
SOR
HSO
BT
SIR
HIR
PIR
POR
PMR
DSI
DOR
DIR
LZMR
OOE
HZOE
6.
7.
8.
9.
OUTPUT
Equivalent to: THÉ VENIN EQUIVALENT
Test conditions assume signal transition time of 5 ns or less, timing reference levels of 1.5V and output loading of the specified I
capacitance, as in part (a) of AC Test Loads and Waveforms.
Commercial/Military
I/f
t
in part (b) of AC Test Loads and Waveforms.
SSI
SIR
O
INCLUDING
JIG AND
SCOPE
> t
and t
and t
5V
PHSI
OUTPUT
HSI
HIR
30 pF
+ t
Operating Frequency
SI HIGH Time
SO LOW Time
Data Set-Up to SI
Data Hold from SI
Delay, SI HIGH to IR LOW
Delay, SI LOW to IR HIGH
SO HIGH Time
SO LOW Time
Delay, SO HIGH to OR LOW
Delay, SO LOW to OR HIGH
Data Set-Up to OR HIGH
Data Hold from SO LOW
Bubble-Through Time
Data Set-Up to IR
Data Hold from IR
Input Ready Pulse HIGH
Output Ready Pulse HIGH
MR Pulse Width
MR HIGH to SI HIGH
MR LOW to OR LOW
MR LOW to IR HIGH
MR LOW to Output LOW
Output Valid from OE LOW
Output High Z from OE HIGH
apply when memory is not full.
apply when memory is full, SI is high and minimum bubble-through (t
DHIR
(a)
, I/f
R1 437
O
> t
Description
PHSO
167
+ t
R2
272
DHOR
Over the Operating Range
OUTPUT
1.73V
INCLUDING
JIG AND
SCOPE
5V
C401–8
OH
5 pF
Conditions
–500 mV and V
Note 10
Note 10
Note 12
Note 11
Note 8
Note 9
Note 9
(b)
Test
R1 437
[2, 6]
C401–6
3
OL
Min. Max. Min. Max. Min. Max.
R2
272
20
45
60
20
45
30
20
20
40
40
7C401–5
7C402–5
+500 mV levels on the output. t
0
0
5
5
BT
200
75
75
75
80
85
85
50
—
—
5
) conditions exist.
GND
3.0V
7C40X–10
20
30
40
20
25
10
30
20
20
30
35
5 ns
0
0
5
5
10
40
45
40
55
95
40
40
40
35
30
10%
HZOE
90%
7C40X–15
ALL INPUT PULSES
20
25
30
20
25
10
30
20
20
25
25
CY7C401/CY7C403
CY7C402/CY7C404
0
0
5
5
is tested with 5-pF load capacitance as
15
35
40
35
40
65
35
35
35
30
25
7C40X–25
Min.
20
20
20
10
20
15
15
25
10
11
11
OL
0
0
5
5
/I
OH
and 30-pF load
21/22
28/30
19/21
34/37
50/60
Max.
90%
25
35
35
25
20
15
10%
[7]
C401–7
5 ns
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns