70V659S12DRI IDT, 70V659S12DRI Datasheet - Page 10

• Manufacturer Part Number: 70V659S12DRI
• Description: SRAM 128Kx36 STD-PWR 3.3V DUAL-PORT RAM
• Manufacturer: IDT
• Series: IDT70V659/58/57Sr
• Type: Dual Port RAMr

Specifications of 70V659S12DRI

• Memory Size: 4 Mbit
• Organization: 128 K x 36
• Access Time: 12 ns
• Supply Voltage - Max: 3.45 V
• Supply Voltage - Min: 3.15 V
• Maximum Operating Current: 515 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Package / Case: PQFP-208
• Interface: LVTTL
• Memory Type: Asynchronous
• Part # Aliases: IDT70V659S12DRI

AC Test Conditions
DATA
Input Pulse Levels
Input Rise/Fall Times
Input Timing Reference Levels
Output Reference Levels
Output Load
IDT70V659/58/57S
High-Speed 3.3V 128/64/32K x 36 Asynchronous Dual-Port Static RAM
OUT
∆tAA
(Typical, ns)
Figure 1. AC Output Test load.
50Ω
-1
5
4
3
2
1
7
6
(V
Figure 3. Typical Output Derating (Lumped Capacitive Load).
DDQ
GND to 3.0V / GND to 2.5V
20.5
- 3.3V/2.5V)
Figures 1 and 2
1.5V/1.25V
1.5V/1.25V
2ns Max.
10pF
(Tester)
30
10.5pF is the I/O capacitance of this
device, and 10pF is the AC Test Load
Capacitance.
50Ω
50
4869 tbl 11
Capacitance (pF)
80 100
10
1.5V/1.25
4869 drw 03
Industrial and Commercial Temperature Ranges
,
200
4869 drw 05
DATA
DATA
(For t
OUT
OUT
,
Figure 2. Output Test Load
*Including scope and jig.
CKLZ
435Ω
770Ω
, t
CKHZ
, t
OLZ
, and t
2.5V
3.3V
4869 drw 04
OHZ
590Ω
833Ω
).
5pF*
5pF*
,
,