70V659S12DRI IDT, 70V659S12DRI Datasheet - Page 22

• 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

NOTES:
1. Guaranteed by design.
2. 30pF loading on external output signals.
3. Refer to AC Electrical Test Conditions stated earlier in this document.
4. JTAG operations occur at one speed (10MHz). The base device may run at
JTAG Timing Specifications
NOTES:
1. Device inputs = All device inputs except TDI, TMS, and TRST.
2. Device outputs = All device outputs except TDO.
JTAG AC Electrical
Characteristics
IDT70V659/58/57S
High-Speed 3.3V 128/64/32K x 36 Asynchronous Dual-Port Static RAM
any speed specified in this datasheet.
Symbol
t
t
t
Device Outputs
JCYC
t
JRST
JRSR
t
t
t
JCH
JCL
t
JCD
JDC
t
t
t
JR
JS
JH
JF
Device Inputs
TDI/TMS
JTAG Clock Input Period
TRST
JTAG Data Output Hold
JTAG Clock Rise Time
JTAG Reset Recovery
JTAG Clock Fall Time
TDO
TCK
JTAG Clock HIGH
JTAG Data Output
JTAG Clock Low
(1)
(2)
JTAG Reset
JTAG Setup
JTAG Hold
/
/
Parameter
(1,2,3,4)
t
JF
t
JRST
t
JCL
Min.
t
t
100
____
____
____
40
40
50
50
JRSR
15
15
JR
0
t
JCYC
t
JS
Max.
____
____
____
3
3
____
____
____
____
____
25
t
(1)
(1)
JH
t
JCH
4869 tbl 19
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
22
Industrial and Commercial Temperature Ranges
t
JDC
t
JCD
4869 drw 20
x