72245LB15PF Integrated Device Technology (Idt), 72245LB15PF Datasheet - Page 5

• Manufacturer Part Number: 72245LB15PF
• Description: FIFO Mem Sync Dual Depth/Width Uni-Dir 4K x 18 64-Pin TQFP
• Manufacturer: Integrated Device Technology (Idt)

Specifications of 72245LB15PF

• Package: 64TQFP
• Configuration: Dual
• Bus Directional: Uni-Directional
• Density: 72 Kb
• Organization: 4Kx18
• Data Bus Width: 18 Bit
• Timing Type: Synchronous
• Expansion Type: Depth|Width
• Typical Operating Supply Voltage: 5 V
• Operating Temperature: 0 to 70 °C

NOTES:
1. Industrial temperature range product for the 15ns and the 25ns speed grades are available as a standard device. All other speed grades are available by special order.
2. Pulse widths less than minimum values are not allowed.
3. Values guaranteed by design, not currently tested.
AC ELECTRICAL CHARACTERISTICS
(Commercial: VCC = 5V ± 10%, TA = 0°C to +70°C; Industrial: VCC = 5V ± 10%, TA = -40°C to +85°C)
IDT72205LB/72215LB/72225LB/72235LB/72245LB CMOS SyncFIFO
256 x 18, 512 x 18, 1,024 x 18, 2,048 x 18 and 4,096 x 18
AC TEST CONDITIONS
Symbol
t
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
Input Pulse Levels
Input Rise/Fall Times
Input Timing Reference Levels
Output Reference Levels
Output Load
SKEW2
S
A
DS
ENS
RS
RSS
RSF
OE
WFF
REF
PAF
PAE
XO
XI
XIS
SKEW1
CLK
CLKH
CLKL
DH
ENH
RSR
OLZ
OHZ
HF
(2)
Clock Cycle Frequency
Data Access Time
Clock Cycle Time
Clock HIGH Time
Clock LOW Time
Data Set-up Time
Data Hold Time
Enable Set-up Time
Enable Hold Time
Reset Pulse Width
Reset Set-up Time
Reset Recovery Time
Reset to Flag and Output Time
Output Enable to Output in Low-Z
Output Enable to Output Valid
Output Enable to Output in High-Z
Write Clock to Full Flag
Read Clock to Empty Flag
Clock to Asynchronous Programmable Almost-Full Flag
Clock to Programmable Almost-Empty Flag
Clock to Half-Full Flag
Clock to Expansion Out
Expansion In Pulse Width
Expansion In Set-Up Time
Skew time between Read Clock & Write Clock forFull Flag
Skew time between Read Clock & Write Clock for Empty Flag
(2)
Parameter
(3)
(3)
GND to 3.0V
See Figure 1
1.5V
1.5V
3ns
Min.
4.5
4.5
3.5
—
10
10
—
—
—
—
—
—
—
IDT72205LB10
IDT72215LB10
IDT72225LB10
IDT72235LB10
IDT72245LB10
5
2
3
0
3
0
8
8
0
3
3
3
5
5
Commercial
TM
Max.
100
6.5
6.5
6.5
6.5
—
—
—
—
—
—
—
—
—
—
15
—
17
17
17
—
—
—
—
6
6
D.U.T.
* Includes jig and scope capacitances.
Min.
6.5
IDT72205LB15
IDT72215LB15
IDT72225LB15
IDT72235LB15
IDT72245LB15
—
15
15
10
10
—
—
—
—
—
—
—
2
6
6
4
1
4
1
0
3
3
5
6
6
Figure 1. Output Load
Commercial & Industrial
680Ω
Max.
66.7
10
—
—
—
—
—
—
—
—
—
—
20
—
10
10
24
24
24
10
—
—
—
—
8
8
COMMERCIAL AND INDUSTRIAL
5V
1.1K
30pF*
Min.
TEMPERATURE RANGES
25
10
10
25
15
15
—
—
—
—
—
—
—
10
10
10
10
—
2
6
1
6
1
0
3
3
IDT72205LB25
IDT72215LB25
IDT72225LB25
IDT72235LB25
IDT72245LB25
2766 drw 04
OCTOBER 22, 2008
(1)
Max.
40
15
—
—
—
—
—
—
—
—
—
—
25
—
12
12
15
15
26
26
26
15
—
—
—
—
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
ns