MC-45D32CC721 查看數據表（PDF） - NEC => Renesas Technology

零件编号

产品描述 (功能)

生产厂家

MC-45D32CC721

32 M-WORD BY 72-BIT DDR SYNCHRONOUS DYNAMIC RAM MODULE UNBUFFERED TYPE

NEC => Renesas Technology 

MC-45D32CC721

AC Characteristics (Recommended Operating Conditions unless otherwise noted)

Test Conditions

Parameter

Symbol

Value

Unit Notes

Input Reference voltage (Input timing measurement reference level) VREF

VDDQ x 0.5

V

Termination voltage (Output timing measurement reference level)

VTT

VREF

V

1

High level ac input voltage

VIH(ac)

VREF + 0.31

V

Low level ac input voltage

VIL(ac)

VREF − 0.31

V

Input differential voltage (CK0 - CK2 and /CK0 - /CK2)

VID(ac)

0.7

V

Input signal slew rate

SLEW

1

V/ns 2

Notes 1. Output waveform timing is measured where the output signal crosses through the VTT level.

2. Slew rate is to be maintained in the VIL (ac) to VIH(ac) range of the input signal swing. SLEW = (VIH(ac)-

VIL(ac))/ ∆t

Output

VTT

RT = 50 Ω

CLOAD = 30 pF

Preliminary Data Sheet M14900EJ1V0DS00

7

Share Link: